Night Thunder

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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
 

Aaphrodisiac - A substance that decreases sexual desire.

Aatomical sex - The apparent gender of an individual based on the appearance of sexual organs.

Abortifacient - Any chemical agent that induces abortion.

Abortion - The ending of a pregnancy and expulsion of the contents of the uterus. This is capable of occurring either by induction or spontaneously (when it is known as a miscarriage).

Abstinence - To refrain from having sex.

Acculturation - The process of adapting to a society by incorporating the beliefs, behaviours and customs of that culture.

Acquired immune deficiency syndrome - A dis-ease symptomatically caused by the human immunodeficiency virus (HIV). The dis-ease involves weakening of the immune system until it is unable to fight opportunistic infections.

Acrosomal reaction - The release of enzymes from a sperm's acrosome.

Acrosome - The covering of the head of the sperm that contains enzymes that allow it to penetrate the ovum.

Actual failure rate - The average failure rate of a contraceptive. This takes into account not only actual failure of the device, though also human error and non-use.

Adolescence - The stage of development that occurs during puberty.

Adrenogenital syndrome - Also known as congenital adrenal hyperplasia. A genetic condition in which a female is born with genitals that look like a male's due to an abnormally functioning adrenal gland.

Adrogens - The "male" sex hormones. Actually produced by women as well (though in smaller quantities and with little absorbtion).

Adrogen replacement therapy - The administration of testosterone. This is done to increase sex drive in men with androgen deficiencies.

Adrogen-insensitivity syndrome - A condition in which a male is born with testes though is unable to absorb testosterone As a result, his body tends toward a female appearance.

Adrogyny - Possessing both masculine and feminine characteristics.

Adultery - Sex between a married person and a person other than their spouse.

Afterbirth - The placenta and amniotic sac, which is expelled after the infant during childbirth.

Agape - A Greek word meaning altruistic love.

Age of consent - The age at which a person is deemed legally capable of giving consent to sexual interactions.

AIDS - Acronym for acquired immune deficiency syndrome.

AIDS dementia - Infection of the brain by HIV, resulting in the impairment of mental functioning, as well as changes in both mood and behaviour.

Alpha-feto protein screening - A blood test that helps determine the existence of neural tube defects.

Alveoli - Glands that produce milk in the female breast.

Amazon - A tall, strong, often masculine woman.

Ambisexual - A more contemporary term for bisexual.

Amenorrhea - The absence of menstruation.

Amniocentesis - A diagnostic procedure in which amniotic fluid is withdrawn by needle from the uterus of a pregnant woman. The fluid and fetal cells are then analyzed for chromosome defects.

Amniotic fluid - The fluid within the amniotic sac that surrounds the embryo or fetus.

Amniotic sac - The pouch that contains the amniotic fluid.

Amyl nitrate - A drug that is inhaled to prolong or intensify orgasm. Its use is potentially very dangerous, and is now illegal to sell in many states.

Anal intercourse - Sexual behaviour in which one person's penis or dildo is inserted into another's anus.

Analingus - Stimulation of the anus with mouth and tongue.

Anus - The opening of the rectum.

Anorexia nervosa - An eating disorder in which the individual engages in extreme behaviours to remain very thin.

Anorexic - A person with anorexia.

Aorgasmia - A sexual dysfunction in which an individual is unable to have orgasms. More prevalent in women.

Apgar score - A medical rating of a newborn's condition based on heart rate, respiration, colour, reflexes, and muscle tone.

Aphrodisiac - A substance that is alleged to increase sexual desire.

Areola - The ring of darkened skin around the nipple of the breast.

Around the world - Analingus and Fellatio.

Arse - British term for buttocks.

Artificial insemination - Placing semen into a woman's vagina or uterus by a means other that intercourse for the purpose of inducing pregnancy.

Asexual - Without sexual feelings, desires or qualities.

Asian Analingus - Erotic stimulation achieved by contact between mouth and anus

Asian Cowgirl - Woman rides on top during intercourse, squatting over the man on her feet, not on her knees.

Asphyxophilia - A sexual preference for activities that involve oxygen deprivation.

Ass - Slang expression for buttocks.

Asshole - Slang expression for anus.

Assigned gender - The gender that one is ascribed by others, irregardless of genetic or anatomical gender.

Asymptomatic - Having no symptoms.

Atigay prejudice - Unconstructive attitudes and behaviours toward homosexuals.

ATM - Ass to mouth. Penis, finger or toy comes out of her ass, and goes directly into her mouth.

Atypical sexual behaviour - Sexual activity that is not one of the more common activities.

Autoerotic asphyxia - A form of sexual behaviour in which the individual masturbates while depriving him or herself of oxygen through hanging, strangulation, or other means. This activity is incredibly dangerous and causes many inadvertent deaths each year.

Autoeroticism - Sexual behaviour that is done by oneself such as masturbation.

Axillary hair - Armpit hair.

Axillary intercourse - A sexual variation in which a man thrusts his penis in the armpit of his partner.

B& D - An acronym for bondage and discipline.

Bacterial vaginosis - A vaginal infection caused by the bacterium Gardnerella vaginalis.

Bag - Slang term for scrotum

Balls - Slang term for testicles.

Barr body - An inactivated X chromosome that appears as a small, black dot in the cells of genetic females, distinguishing them from male cells.

Bartholin's glands - Two tiny ducts located on either side of the vaginal entrance. They secrete a small amount of fluid during sexual arousal, though their exact purpose is unclear.

Basal body temperature (BBT) method - A method of fertility awareness that is based on a woman's morning body temperature.

BBW - Big Beautiful Woman, euphemism for overweight

Behaviour therapy - A school of therapy based on learning theory that focuses on observable behaviour and not the unconscious.

Benign prostatic hypertrophy - Enlargement of the prostate gland. This is a very common condition in older men.

Berdache - A term used in some cultures for a male who assumes female dress and gender role. In these cultures, these individuals are often thought to be a third gender and have special powers.

Bestiality - Sexual contact with animals; also known as zoophilia.

BDSM Bondage, Discipline, Sado-Masochism. This is a catch-all to refer to the various aspects of negotiated, mutually consensual exchange of power between two consenting adults. Regardless of the depth of the relationship, consent, safety and sanity are the cornerstone of the lifestyle.

Birth canal - Another term for the vagina; often used when referring to labour and birth.

Birth control - The regulation of conception, pregnancy, and/or birth.

Bisexuality - A sexual orientation in which one experiences being attracted to both males and females.

Blackhole - Anus.

Blastocyst - A small mass of cells that results after several days of cell division by a fertilised egg.

Blow job - Unusual slang term for fellatio (which usually does not involve "blow[ing].")

Blue balls - Slang expression for pain in the groin area due to prolonged vasocongestion.

Body fluids - Blood, semen, vaginal secretions, urine, feces, saliva and/or tears.

Bondage and discipline (B& D) - A sexual activity in which a person is bound while another engages in "discipline" activities, such as spanking and whipping.

Boner - Slang term for erection.

Boobs - Slang term for a woman's breasts.

Braxton-Hicks contractions - Uterine contractions during the last trimester of pregnancy that are often mistaken for labour.

Breech presentation - A birth position in which the infant's buttocks or feet appear first.

Brothel - A house of prostitution.

Brown Shower - Defecation on your partner.

Bulbourethral glands - Another term for Cowper's glands.

Bulimia - An eating disorder distinguished from anorexia by binge eating followed by purging in some manner.

Butch - A lesbian who dresses and acts in a very "masculine" manner. Opposite of femme.

Butt - Slang expression for buttocks.

Butt fuck - Slang term for anal intercourse.

C-section - Abbreviation for cesarean section.

Calendar method - A contraceptive method based on calculating "safe" days based on a formula involving a woman's longest and shortest periods.

Call girl - A high-priced prostitute who usually works outcall from a home or office as opposed to getting customers on the street or at a brothel.

Candida albicans - The fungus that symptomatically causes candidiasis, otherwise known as a yeast infection.

Candidiasis - A yeast infection symptomatically caused by the fungus candida albicans.

Cannula - A tube inserted into the body through which fluids and tissue can be removed. These are often used during abortions and other gynecological procedures.

Carpopedal spasm - A contraction of the hands or feet which occurs during orgasm.

Castration - The removal of the testes or ovaries. In popular use, also refers to the amputation of the penis.

CBJ - CBJ, Covered Blow Job, fellatio with a condom.

Celibate - Unmarried, or as more popularly used, someone who does not engage in sexual activity.

Cervical cap - A small, rubber, contraceptive barrier device that fits over the cervix. It is smaller than the diaphragm and is held in place by suction.

Cervical dysplasia - A dis-ease of the membrane that covers the cervix. It is often considered to be pre-cancerous and ought to be treated.

Cervical intraepithelial neoplasia - A dis-ease of the membrane that covers the cervix. It is often considered to be pre-cancerous and ought to be treated.

Cervix - The tapered, lower end of the uterus that opens into the vagina.

Cesarean section - Delivery of a baby through a surgical incision in the abdominal wall. Also known as C-section.

Chancre - A red, painless sore that is an early symptom of syphilis.

Chancroid - A painful sore on the penis that is caused by the STD bacterium Hemophilus ducreyi.

Chastity - Sexual abstinence.

Chemical castration - Using drugs to reduce or eliminate a man's sexual impulses.

Cherry - Slang expression for the hymen.

Child-free marriage - A marriage in which the couple have chosen not to have children.

Chlamydia - An infection caused by the bacterium Chlamydia trachomatis. Despite being one of the most common STDs in women, it is often asymptomatic.

Chorionic-villi sampling - A medical procedure in which embryonic cells are removed from the tissue surrounding the fetus and then analysed for evidence of genetic defects.

Cilia - Tiny hairlike fibers that line the fallopian tubes and help move the oocyte along.

CIM - Cum in mouth.

Circle jerk - Slang term for male group masturbation (usually referring to a practise of adolescent males).

Circumcision - The surgical removal of the foreskin of the penis, or, in some cultures, the clitoral hood, clitoris and/or labia.

Civilian - A woman who makes herself available for sexual encounters though not for financial gain. May be less discreet than a provider and more interested in a relationship.

Clap - A slang term for gonorrhea.

Climacteric - An older term for menopause.

Climax - Orgasm.

Clit - Slang expression for the clitoris.

Clitoral hood - The fold of skin covering the clitoris.

Clitoridectomy - The surgical removal of the clitoris and all or part of the labia. Also known as female circumcision.

Clitoris - A small, highly sensitive sexual organ in the female, located above and in front of the vaginal entrance.

Clockwatcher - A term for a provider who counts the minutes until the session is over. Usually used to describe a provider who rushes and does not enjoy her work.

Cock - Slang term for penis.

Cohabitation - Living together usually referring to an unmarried couple.

Coitus - Sexual intercourse.

Colostrum - A thin, yellow fluid containing nutrients and antibodies that is secreted by the breasts after a woman gives birth for 2 or 3 days prior to actual milk production.

Coming out - The process of acknowledging that one is gay, lesbian or bisexual.

Commercial Company - Prostitution

Conceive - To become pregnant.

Conceptus - The product of conception; a medical catch-all term for the zygote, fetus, or embryo.

Condom - A sheath that is placed over the erect penis to protect against pregnancy and sexually transmitted diseases.

Congenital adrenal hyperplasia - A genetic condition in which a female is born with genitals that look like a male's due to an abnormally functioning adrenal gland.

Congestive prostatitis - An inflammation of the prostate gland thought to be symptomatically caused by infrequent ejaculation.

Contraception - The prevention of conception by the use of birth control devices or agents.

Contraceptive film - A small square of spermicide that is inserted into the vagina where it dissolves and helps protect against pregnancy.

Contraceptive foam - A spermicidal foam that is inserted into the vagina with an applicator prior to intercourse where it helps protect against pregnancy.

Contraceptive sponge - A polyurethane sponge inserted inside the vagina that blocks the opening of the cervix and releases a spermicide thereby helping to protect against unintentional pregnancy.

Contraceptive suppository - A small capsule of spermicide that is inserted into the vagina prior to intercourse where it dissolves and helps protect against pregnancy.

Contraceptive - Any method, drug, or device that helps prevent conception.

Coprophilia - A sexual variation in which arousal is associated with activities involving feces.

Copulation - Vaginal intercourse.

Corona - The sensitive rim of tissue between the glans and the shaft of the penis.

Corpora cavernosa - The hollow chambers in the shaft of the penis or clitoris that fill with blood during sexual arousal, causing erection.

Corpus luteum - The cell mass that remains after a follicle has released an egg. After releasing the egg, it secretes both progesterone and estrogen.

Corpus spongiosum - A column of erectile tissue that runs the length of the penis and encloses the urethra.

Couvade - The experiencing of the symptoms of pregnancy and labour by a male. A form of sympathetic pregnancy practised in some cultures.

Covert sensitization - A form of aversion therapy in which unconstructive thoughts are used to punish and therefore rid someone of unacceptable thoughts or behaviours.

Cowgirl - Woman rides on top, knees astride.

Cowper's glands - A pair of structures below the prostate gland that secrete a clear alkaline fluid into the urethra prior to ejaculation. Also known as bulbourethral glands.

Crabs - Slang term for Pediculosis pubis or pubic lice.

Cramps - Painful menstruation known clinically as dysmenorrhea.

Cremaster - A muscle within the scrotal sac that causes the testes to descend and/or elevate based on temperature.

Cross-dressing - Wearing the clothing of the opposite sex.

Crura - The internal branches of the clitoral or penile shaft.

Cryptorchidism - A medical condition in which one or both testes have not descended properly.

Culdoscopy - A form of female sterilisation/tubal ligation in which the incision is made through the back of the vagina thereby avoiding an external scar.

Cultural relativity - The perspective that the appropriateness of any behaviour is required to be evaluated based on the time and culture it occurs in.

Cum - Slang term for semen.

Cunnilingus - Oral stimulation of the female genitals for sexual purposes.

Cunt - Slang term for vagina.

Cups of coffee - Orgasms (e.g. multiple cups of coffee means she allows more than one orgasm)

Curette - A scooplike medical instrument used for scraping body tissues; often used during abortions or other gynecological procedures.

Cybersex - Using a computer in some way to enhance sexual stimulation.

Cystitis - A bladder infection marked by pain as well as frequent, painful urination.

Cytomegalovirus (CMV) - One of a group of viruses related to herpes that symptomatically cause cell enlargement in various internal organs.

D & C - Common abbreviation for dilation and curettage.

D & E - Common abbreviation for dilation and evacuation.

Dartos - A smooth muscle in the scrotum that causes the surface to wrinkle when it contracts.

Date - 1. A session with a prostitute. 2. A man who patronises prostitutes.

Date Rape - Date rape or acquaintance rape is a form of sexual assault that happens specifically on a date or by someone that the victim knows or is acquainted with somehow.

Date Rape Drug - Rohypnol (generic name flunitrazepam) has been associated with date rape, and has also been called the "Forget Pill," "Trip-and-Fall," and "Mind-Erasers." In combination with alcohol, it is capable of inducing a blackout with memory loss and a decrease in resistance. Girls and women around the country have reported being raped after being involuntarily sedated with Rohypnol, which was often slipped into their drink by an attacker. The drug has no taste or odor so the perceived victims do not realise what is happening. About ten minutes after ingesting the drug, the girl may experience being dizzy and disoriented, simultaneously too hot and too cold, or nauseated. She may experience difficulty speaking and moving, and then pass out. Such perceived victims have no memories of what happened while under the drug's influence.

DATO - Dining at the O, Anilingus, oral stimulation of the anus.

DATY - Dining at the Y, Cunnilingus, oral stimulation of the vulva or clitoris.

Deep throat - Slang term for a type of oral sex in which a man's partner is able to overcome his or her gag-reflex and allow the penis to go deeply into their mouth, and sometimes actually down their throat.

Defloration - An old term referring to the loss of virginity from the rupture of a virgin's hymen, through intercourse or other means.

Delayed ejaculation - A sexual dysfunction characterised by the male's difficulties with ejaculating during intercourse.

Depo-Provera - A drug containing a long-acting synthetic hormones (medroxyprogesterone acetate); used as an injectable form of birth control in women, and as a form of chemical castration in men.

DES - Diethylstilbestrol, a synthetic estrogen once used to prevent miscarriages, that is now known to increase the risk of certain cancers not only in the women who were given the drug, but their offspring. It is still occasionally used as a form of "morning-after" birth control.

Desensitization - A sex therapy technique used to overcome fears and phobias.

Detumescence - The return of an erect penis to its flaccid state.

Deviant sexual behaviour - Sexual behaviour that diverges from the norm.

DFK - Deep French Kissing, kissing with tongue.

DHT deficiency - A genetic disorder in which a male is unable to convert testosterone into the hormone dihydrotestosterone (DHT). DHT is required for the normal development of external male genitals and these individuals are usually identified as girls at birth, though at adolescence begin to develop male genitals.

Diaphragm - A saucer-shaped rubber contraceptive device that is filled with spermicide and inserted into the back of the vagina to block the cervical opening.

Dick - Slang term for penis.

Diethylstilbestrol (DES) - A synthetic estrogen once used to prevent miscarriages, that is now known to increase the risk of certain cancers not only in the women who were given the drug, though their offspring. It is still occasionally used as a form of "morning-after" birth control.

Dihydrotestosterone (DHT) - A hormone converted in males from testosterone that is responsible for the development of the external genitals of the male fetus.

Dilate - To enlarge; used to refer to the enlargement of the cervical opening during childbirth or abortion.

Dilation and curettage (D&C) - Dilation of the cervix followed by scraping of the interior of the uterus. Used as a form of abortion and to stop abnormal bleeding.

Dilation and evacuation (D&E) - An abortion method used rarely, and usually only in the second trimester; the conceptus is crushed and the contents of the uterus are then extracted through a vacuum curette.

Dilation - Expansion of the cervix during labour or by the use of dilating rods during medical procedures.

Dilitation - Expansion of the cervix by the use of dilating rods during medical procedures

Dildo - A device used for sexual stimulation by insertion into the vagina or anus that is usually in the overall shape of a phallus.

Doggie Style - Intercourse position where woman is on her hands and knees, man enters from behind.

Domination and submission (D&S) - Sexual arousal derived from the acting out of sexual fantasies in which one person dominates while the other submits.

Dominatrix - In bondage and discipline, a woman who specialises in "disciplining" a submissive partner.

DP - 1. Double Penetration 2. Deep penetration 3.Digital penetration

DT - Deep throat: fellatio where the whole length of the penis is "swallowed."

Douche - To flush out the inside of the vagina with water or another liquid. This practise is usually unnecessary and is capable of actually upseting the natural ph and floral balance of the vagina.

Douching - Flushing out the inside of the vagina with water or another liquid. This practise is usually unnecessary and is capable of actually upset the natural ph and floral balance of the vagina.

Drag - Cross-dressing.

Drag queen - A gay man who dresses as a woman for comic effect.

Dry hump - Slang term for rubbing the genitals against a part of another person's body (such as the thigh), often through clothes.

Drip - A slang term for gonorrhea.

Dyke - A term referring to a lesbian who dresses and acts in a stylised masculine manner. Dysmenorrhea - Painful menstruation.

Dyspareunia - Painful intercourse.

Dating (out) - Slang term for cunnilingus.

Eclampsia - A severe form of toxemia that is capable of occuring in late pregnancy, leading to convulsions and coma in pregnant woman.

Ectopic pregnancy - A pregnancy that occurs when a fertilised egg implants itself somewhere outside the uterus. In most cases, the site of implantation is a fallopian tube, in which case the condition is known as a tubal pregnancy.

Ed Zachary dis-ease - A woman with an unattractive face. "Ed Zachary dis-ease is when your face rook Ed Zachary rike your butt."

Effacement - The thinning out of the cervix during labour and childbirth.

Effeminate - Having feminine qualities.

Ejaculate - To have an orgasm with expulsion of seminal fluid from the penis. Also used as an alternative term for the fluid itself (semen).

Ejaculation - The expulsion of seminal fluid from the penis, usually during orgasm.

Ejaculatory duct One of the two passageways that carries semen from the prostate gland to the urethra.

Ejaculatory inevitability - In males, the point in the sexual response cycle at which a man no longer has control over whether he will ejaculate or not. Once this point is past, a man will ejaculate in a matter of seconds, even if all stimulation is ceased.

Electra complex - In psychoanalytic theory, the female child's erotic desire for the father and simultaneous fear of the mother. It is the female analog to the Oedipal complex.

Embryo - The unborn human organism from the second to about the eighth week of pregnancy.

Embryo transfer - A technique used with infertile couples in which a fertilised, developing egg is transferred from the uterus of one woman to that of another woman.

Emission - The first stage of ejaculation, in which sperm and semen are propelled into the urethral bulb.

Endometriosis - A dis-ease symptomatically caused by cells from the uterine lining spreading and growing in parts of the body other than the uterus, such as the fallopian tubes.

Endometrium - The inner lining of the uterus; part of which is shed during menstruation.

Engagement - The repositioning of the fetus into a lower position in the mother's abdominal cavity that occurs when its head is past her pelvic bone.

Epididymis - The tightly coiled tubules, attached to the top of the testes, where sperm matures and is stored.

Epididymitis - Inflammation of the epididymis.

Episiotomy - An incision made during childbirth to enlarge the vaginal opening. The incision is usually made at the base of the vaginal opening and serves to help prevent tearing of the perineal and anal tissues.

Erectile dysfunction - A sexual dysfunction characterised by the inability to have or maintain an erection despite adequate stimulation and interest. Often referred to commonly as impotence.

Erection - The enlargement and hardening of the penis due to vasocongestion that occurs during sexual arousal in the male.

Erogenous zone - Any area of the body that is especially sensitive to sexual stimulation and touching.

Eros - The Greeks' term for passionate or erotic love.

Erotic aid - A device, such as a vibrator or dildo, designed to enhance sexual responsiveness.

Erotica - Sexually oriented material that is not considered "pornographic" to the viewer.

Erotophilia - A constructive emotional response to sexuality.

Erotophobia - A unconstructive emotional response to sexuality, especially guilt, fear and shame.

Estradiol - The major natural estrogen.

Estrogen - The principal female hormone, secreted by the ovaries, testes, and placenta.

Estrogens - The "female" sex hormones; also produced in smaller quantities (and with less absorbtion) in males.

Estrus - The period of ovulation and sexual activity in nonhuman female mammals; commonly referred to as being "in heat."

Eunuch - A castrated male.

Exhibitionism - A paraphilia characterised by getting sexual gratification from exposing the genitals to an (often unwilling) observer.

Expectant - Pregnant.

Expulsion - The second stage of ejaculation, characterised by contractions of the urethra, prostate, and muscles at the base of the penis, causing semen to spurt from the penis.

Extramarital sex - Sexual activity by a married person with someone other than her or his spouse.

Face painting - Man ejaculates on woman's face.

Fallopian tube - One of the two tubes extending from the ovary to the uterus through which eggs are transported.

Fag - Pejorative, slang term for a homosexual.

Fellatio - Oral stimulation of the male genitals.

Female circumcision - The surgical removal of the clitoris and all or part of the labia. Also known as clitoridectomy.

Female condom - A soda-can-shaped pouch that is placed inside the vagina to line the vaginal walls for prevention of pregnancy and dis-ease.

Femme - A lesbian who exhibits stereotypically feminine traits.

Fertility awareness - One of the contraceptive methods that is based on a woman being able to predict her reproductive cycle, including calendar (rhythm), basal body temperature (BBT), mucus, and symptothermal methods.

Fertilisation - The union of sperm and egg, resulting in conception.

Fetal alcohol syndrome - A condition that effects infants born to alcoholic mothers.

Fetishes - Obtaining sexual excitement primarily or exclusively from an inanimate object or a particular part of the body.

Fetishism - Obtaining sexual excitement primarily or exclusively from an inanimate object or a particular part of the body.

Fetishistic transvestism - A paraphilia in which a man becomes sexually excited by cross-dressing. This is in contrast to non-fetishistic transvestism, in which the motivation is not sexual excitement.

Fetus - The human unborn organism from the ninth week up until birth.

Fibroadenoma - A normally harmless, movable growth in the breast of young women.

Fibrocystic dis-ease A common and usually harmless breast condition.

Fimbriae The fingerlike projections at the end of the fallopian tube extending towards the ovary.

Fingering - Slang term for stimulation of a woman's genitals with the fingers.

Fist fucking - Slang term for a sexual variation in which an individual inserts his or her entire hand into their partner's vagina or anus.

Fitness - In evolutionary theory, an individual's reproductive success.

Flaccid - Not erect.

Flagellum - The tail of a sperm that helps to propel it.

Follicle - The sac of estrogen-secreting cells in the ovary that contains an egg.

Follicle-stimulating hormone (FSH) - A hormone secreted by the pituitary that regulates follicle development in females and sperm production in males.

Follicular phase - The phase of the menstrual cycle during which a follicle matures.

Foreplay - A term used to refer to sexual activities other than intercourse. The term comes from the view that some individuals hold that all activities of a sexual nature are merely designed to lead up to intercourse.

Foreskin - The sheath of skin covering the tip of the penis; often removed during circumcision.

Fornication - Sexual intercourse between two unmarried people.

Frenulum - A highly sensitive area of skin on the underside of the penis, where the glans meets the body of the penis.

Frigidity - Term that refers to a lack of sexual response in a woman.

Frotteurism - A paraphilia characterised by obtaining sexual excitement from touching or rubbing one's body against others without their consent.

Fuck - Slang term for intercourse. Used in many contexts with many alternative meanings.

G-spot - Abbreviation for Grafenberg spot.

Gamete - A generic term for a sex cell; an ovum or sperm.

Gamete intra-fallopian transfer (GIFT) - A procedure for infertile couples in which sperm and eggs are collected and then inserted together into the woman's fallopian tube.

Gardnerella vaginalis - The bacterium that is the most common cause of bacterial vaginosis. It also refers to the infection itself, which causes a thin, smelly discharge in both men and women.

Gay-bashing - Violence against gay men or lesbians for the reason of their orientation.

Gender - The characteristics associated with being a male or a female; as distinguished from the term "sex" which is more ambiguous. Also sometimes used to merely refer to the state of being either male or female.

Gender difference - Any difference between males and females.

Gender dysphoria - Dissatisfaction with one's gender. In extreme cases, this condition is known as transsexualism, in which a person desires to be the other gender.

Gender identity - The gender one feels himself or herself to be, whether physiologically male or female.

Gender role - The role a person is expected to perform as a result of being male or female in a particular culture; as distinguished from the term "sex role" which is more ambiguous.

Gender stereotype - An overgeneralised belief about the characteristics of a person based simply on their gender.

Gender-role socialisation - The ways in which children are taught to behave in ways considered appropriate by others for their gender.

Genetic sex - The differentiation of males and females based upon chromosomal and hormonal differences.

Genital warts - An STD caused by the human papilloma virus (HPV) that symptomatically causes warts to appear on the genitals.

Genitals - The reproductive and sexual organs of males and females. Also sometimes known as genitalia.

Gestation - The entire time of pregnancy, from conception to birth.

Gestational diabetes - A medical condition in which a pregnant woman develops a form of diabetes due to the pregnancy.

Getting laid - Slang term for having sex.

Getting off - Slang term for having an orgasm; usually used in reference to a male.

GIFT - Acronym for gamete intrafallopian transfer.

Gigolo - A male prostitute.

Giving head - Slang term for fellatio.

Glans clitoris - The sensitive tip of the clitoris.

Glans penis - The sensitive tip of the penis.

Going down (on) - Slang term for cunnilingus.

Golden showers - Slang expression for a sexual variation involving urinating on a partner.

Gonad - An organ that produces gametes; ovaries or testes.

Gonadotropins - Hormones produced by the pituitary gland that stimulate the activity of the gonads.

Gonorrhea - An STD caused by the Neisseria gonorrhoeae bacterium.

Grafenberg spot - A sexually sensitive area on the upper wall of the vagina approximately two inches from the opening. Also known as the G spot.

Granuloma inguinale - An fairly rare STD that is characterised by nodules on the genitals that become lumpy, painless ulcers that bleed on contact.

Greek - Anal Sex

Gynecomastia - A condition that symptomatically causes enlargement of a male's breasts during puberty.

Hand job - Slang term for manual stimulation of the genitals by a partner.

Haploid cell - A gamete.

Hard on - Slang term for an erection.

Hard-core - Sexually explicit material that graphically depicts the genitals and sexual acts.

Hegar's sign - The softening of the uterus indicating pregnancy.

Hepatitis - A viral dis-ease affecting the liver; two types of virus may be sexually transmitted: hepatitis A and hepatitis B.

Hepatitis B - A virus that effects the liver that is capable of being transmitted by anal intercourse or oral-anal sex.

Hermaphrodite - A person with both male and female primary sex characteristics.

Herpes simplex type II - An STD infection characteriSed by outbreaks of painful sores on the genitals. Infection occurs through physical contact with a person infected with the herpes simplex virus during an active outbreak of the sores.

Heterosexism - The tendency to see the world in exclusively heterosexual terms and to dismiss or devalue homosexuality. Also known as heterosexual bias.

Heterosexual - A person who is sexually attracted primarily to members of the other gender.

Heterosexual bias - The tendency to see the world in exclusively heterosexual terms and to dismiss or devalue homosexuality. Also known as heterosexism.

Hindu Massage - The technique where a woman contracts her vaginal muscles during sex to squeeze the penis to completion.

HIV encephalopathy - The more medically appropriate term for AIDS dementia.

HIV - Acronym for human immunodeficiency virus; the virus that causes AIDS.

Homo - Pejorative, slang term for a homosexual.

Homophobia - An irrational fear of and hostility towards homosexuals.

Homosexual - A person who is sexually attracted primarily to members of her or his own gender.

Homosexuality - Sexual relationships with individuals of the same gender.

Homosociality - A period of social segregation (often in late childhood) in which social and personal activities are centered around members of the same gender.

Hormone - The chemical messengers of the body, secreted by the endocrine glands, which regulate several functions including sexual development.

Honeymoon pussy - A conditions that sometimes occurs when a girl has not had intercourse for the first time in a long time, where her vagina becomes inflamed or swollen.

Hormone-replacement therapy (HRT) - The administration of estrogen, progesterone, or a combination of the two to counteract the hormonal effects the decrease in these hormones during menopause.

Horny - Slang term for being sexually arroused or excited.

Hostile environment - A work or educational atmosphere that interferes with a person's performance because of sexual harassment.

Hot flash - One of the unconstructive side effects of menopause reported by some women. Although typically only lasting a couple of minutes, it is accompanied by intense warmth, flushing and perspiration.

Human chorionic gonadotropin (HCG) - A hormone produced by the placenta of a pregnant woman; it is what is detected in most pregnancy tests.



Human Immunodeficiency Virus - The virus that causes AIDS.

Human papilloma virus (HPV) - The virus that causes genital warts.

Hung - Slang term for having a large penis.

Hyaluronidase - The enzyme secreted by the sperm that allows it to penetrate the wall of the egg.

Hymen - A thin membrane that partially covers the vaginal entrance of most females at birth; although an intact hymen is sometimes erroneously thought to prove virginity, it can actually be broken by many activities besides intercourse.

Hypermasculinity - An exaggeration of stereotypically male beliefs and behaviors through an emphasis on virility, strength, and aggression.

Hypoactive sexual desire - A sexual disorder characterised by low or absent sexual desire.

Hypothalamus - A part of the brain, which is vital in regulating many body functions including sex hormone production.

Hysterectomy - The surgical removal of the uterus, and also sometimes the Fallopian tubes and ovaries.

Hysterotomy - An abortion method used only in emergencies in late pregnancy, in which the fetus is removed through an incision made through the woman's uterus.

Imperforate hymen - A condition where the hymen is unusually thick and covers the vaginal entrance completely often making intercourse difficult or impossible without surgery.

Implantation - The embedding of the fertilised egg into the lining of the uterus.

Impotence - Term for erectile dysfunction.

Impregnate - To make pregnant.

In vitro fertilization (IVF) - A technique in which sperm and egg are removed from the body, combined in the laboratory, then implanted as a fertilized egg in the woman's uterus. A means of treating infertility; the result is commonly referred to as a "test tube baby."

Incest - Sexual activity between relatives or family members.

Infanticide - The killing of a baby after it is born.

Infatuation - Foolish and irrational love; often known as a "crush."

Infectious prostatitis - Infection and inflammation of the prostate gland usually caused by the E. coli bacteria.

Infertility - The inability to conceive a child due to factors in the male or female. The term is only medically suitable after the couple has been trying for a year or more.

Infibulation - The ritual practise of cutting off the inner labia and stitching together the outer lips; a part of female circumcision practiced in some cultures.

Inhibin - A hormone produced by the testes, which regulates FSH levels, and thus, spermatogenesis.

Inhibited orgasm - Persistent difficulty in having orgasm or inability to have orgasm; in males, also described as ejaculatory incompetence or retarded ejaculation.

Inhibited sexual desire - A sexual disorder characterised by low or absent sexual desire.

Iniguinal canal - The passageway in the male that leads from the abdomen to the scrotum through which the testes usually descend shortly before birth. It is a frequent site of hernias.

Inner lips - The folds of skin on either side of the vaginal entrance, between the outer lips, that encloses the clitoris and the vaginal opening. Also known as labia minora.

Intercourse - Sexual activity in which the penis is inserted into an orifice such as the vagina or anus; the term is often modified accordingly (e.g. anal intercourse).

Interfemoral intercourse - Sexual activity in which the penis is thrust between the thighs of a partner

Internalised homophobia - Hatred of oneself due to homosexual orientation.

Interstitial cells - Cells in the testes that secrete male sex hormones; also known as Leydig cells.

Intrauterine device - A plastic or metal device that is inserted into the uterus by a physician for contraceptive purposes. The exact mechanism of contraceptive action is unknown. Commonly referred to as an IUD.

Introitus - The opening to the vagina.

Intromission - Insertion of the penis into the vagina.

Involution - Contractions of the uterus following childbirth that return it to its prebirth size and shape.

Italian - Similar to Russian, though penis between partners butt cheeks.

Jism - Slang term for semen.

Jerk-off - Slang term for male masturbation.

John - A slang term for the customer of a prostitute.

Kaplan's tri-phasic model - A model that, unlike Masters and Johnson's model, divides sexual response into three phases: desire, excitement, and orgasm.

Kaposi's sarcoma - A formerly rare cancer of the blood vessels that is now common as one of the opportunistic infections that strike people with AIDS; it appears as lesions on the skin.

Kegel exercises - A set of exercises designed to strengthen and give voluntary control over the muscles surrounding the genitals (known as the pubococcygeus muscles) and thereby increase sexual pleasure and awareness.

Klinefelter syndrome - A genetic condition in which a male has extra X chromosomes, thereby causing the development of female secondary sex characteristics. It is widely believed that Joan of Ark was a "Klinefelter male."

Klismaphilia - A sexual variation in which the person derives sexual excitement from giving or receiving enemas.

Kleptophilia - A sexual variation in which the person derives sexual excitement from stealing.

Koro - A Japanese form of psychopathology referring to the delusion that one's penis is shrinking into one's body.

Labia majora The fatty pads of tissue lying on either side of the vaginal opening and inner lips. Also known as major (or outer) lips.

Labia minora - The folds of skin on either side of the vaginal entrance, between the outer lips, that encloses the clitoris and the vaginal opening. Also known as minor (or inner) lips.

Labour - The series of stages involved in giving birth.

Lactation - The production and secretion of milk in the breasts of the female; used to nourish the newborn baby.

Laminaria - A small stick of seaweed (or a synthetic variant) sometimes placed into the cervical opening prior to an abortion to dilate the cervix. The dilation is then more gradual and less uncomfortable than when done with dilator rods.

Landing Strip - Description of pubic hair

Lanugo - The fine, downy hair covering the fetus.

Laparoscopy - A surgical method in which a long, hollow instrument that contains light and cutting devices, is inserted into the abdominal cavity through an incision directly below the navel. It is used for diagnosis of medical difficulties as well as surgical sterilisation. The term is also commonly used alone to refer to a form of female sterilization in which a laproscope is used.

Lesbian - A female homosexual.

Lesbo - Pejorative, slang term for a lesbian.

Leydig cells - Cells within the testes that secrete androgens. Also known as interstitial cells.

Lez - Pejorative, slang term for a lesbian.

Lezzie - Pejorative, slang term for a lesbian.

Libido - Term used by Freud to refer to sexual energy; the driving force in humans according to him.

Limbic system - The set of structures around the midbrain involved in regulating sexual behaviors.

Limerance - Romantic love marked by preoccupation, and often, obsession, with the loved one.

Lochia - A bloody discharge from the vagina that follows childbirth.

Lubricant - The slippery fluid secreted from the walls of the vagina during sexual arousal; also available in synthetic form to supplement or replace the natural version. The synthetic version is also used for activites that require lubrication such as anal intercourse.

Lubrication - The slippery fluid secreted from the walls of the vagina during sexual arousal; also available in synthetic form to supplement or replace the natural version.

Lumpectomy - A surgical procedure for breast cancer in which only the malignant tumor and surrounding tissue are removed while the rest of the breast is left intact.

Lust - A very strong sexual urge.

Luteal phase - The phase of the menstrual cycle during which a follicle becomes a corpus luteum and then degenerates, releasing progesterone in the process that stimulates the growth of the uterine lining.

Luteinizing hormone (LH) - A hormone that stimulates female ovulation and male androgen secretion.

Lymphogranuloma venereum (LGV) - An STD caused by a virus that begins as a lesion at the site of infection, then develops into a painful swollen abscess.

Malignancy - A cancerous growth.

Malignant tumor - A cancerous tumor that invades nearby tissues thereby eventually causing damage to vital organs.

Mammary gland - The portion of a mature female breast that produces milk.

Mammogram - A type of X-ray of the breast often used to screen for tumors and breast cancer.

Masochism - A sexual variation in which the individual derives sexual pleasure from experiencing pain.

Mastectomy - The surgical removal of the breast; usually done as a treatment for breast cancer.

Masters and Johnson's four-phase model - A model of the sexual response cycle that divides it into four phases: excitement, plateau, orgasm, and resolution.

Masturbation - Self-stimulation of the genitals for sexual pleasure.

Meiosis - A form of cell division in which the cell's nucleus undergoes two consecutive divisions.

Ménage á Trois - A living arrangement comprising three people in a sexual relationship.

Menarche - The onset of menstruation; the first menstrual period.

Menopause - The cessation of menstruation at the end of a woman's reproductive capacity usually during late middle age.

Menses - The more-or-less monthly sloughing of the uterine lining, which results in a bloody discharge from the vaginal opening.

Menstrual cycle - The more-or-less monthly process during which the uterus is readied for implantation of a fertilised ovum. If fertilisation does not occur the uterine lining is then shed.

Menstrual extraction - The removal of the endometrial contents by suction; sometimes used as a form of abortion or postcoital birth control.

Menstruation - The more-or-less monthly sloughing of the uterine lining, which results in a bloody discharge from the vaginal opening.

Midwife - A person (often a nurse) who acts as a birth attendant.

Mifepristone - The chemical agent in RU-486.

Mini-pill - A birth control pill that, unlike the combination pill, contains a low dose of progesterone and no estrogen.

Minilaparotomy - A form of tubal ligation in which a small incision is made in the lower abdomen.

Miscarriage - A spontaneous abortion; a pregnancy that terminates on its own prior to birth.

Mish - Missionary position, Man on top during intercourse

Missionary - Man on top during intercourse.

Mittelschmerz - Abdominal cramps on either side of the body at the time of ovulation, often accompanied by a small discharge of blood from the cervix

Modeling - The process of learning behaviour through the observation of others.

Mohawk - Description of pubic hair.

Molluscum contagiosum A viral STD characterised by smooth, round, shiny lesions, generally appearing on the trunk, on the genitals, or around the anus.

Moniliasis - A form of yeast infection.

Monogamy - The mating of one person with another individual with neither engaging in sexual activity with anyone else.

Mons pubis - In the female, the mound of fatty tissue covering the pubic bone that is covered by pubic hair; also known as mons veneris.

Mons veneris - The pubic mound; literally, mountain of Venus. Also known as mons pubis.

Morning-after pill - A pill which can be used in emergency situations for preventing pregnancy after intercourse has occurred.

Motile - Exhibiting motion, such as in live sperm.

Mucous method - A form of fertility awareness in which a woman stretches her cervical mucus between her fingers to determine the time of ovulation.

Mullerian ducts - In the embryo, a pair of ducts that eventually develop into the internal female reproductive system if the fetus is genetically female.

Mullerian-inhibiting substance - A hormone secreted by the testes in a genetically male fetus that acts to inhibits the growth and development of the Mullerian-duct system.

Multiparous - A woman who has had more than one baby.

Multiple orgasms - Having several orgasms in a short period of time with no refractory period in between.

Myotonia - Increased muscle tension, sometimes accompanied by involuntary contractions, during sexual excitement.

Necrophilia - A paraphilia characterised by sexual arousal from, or activity with, a corpse.

Neonate - A newborn.

NGU - Abbreviation for nongonococcal urethritis.

Nipple The darkened circle at the tip of the breast in both men and women. Although sensitive to sexual stimulation in both genders, in a woman it also serves the function of being the opening through which milk goes when she is breast-feeding.

Nocturnal emission Ejaculation of semen during sleep.

Nocturnal orgasm -Orgasm that occurs during sleep.

Nonfetishistic transvestism - A nonparaphilic behaviour by a person who cross-dresses to relieve the tensions associated with having to maintain the sex-role of their gender.

Nongonococcal urethritis (NGU) - Urethral inflammation symptomatically caused by something other than gonorrhea.

Nonoxynol-9 - The sperm-killing chemical in many spermicides.

Nonspecific urethritis (NSU) - Inflammation of the urethra from an unknown or unspecified cause.

Nonspecific paraphilia - A paraphilia that does not meet the criteria of any of the major paraphilias.

Normative - The average response of members of a sample.

Norplant - The brand-name of a contraceptive implant, inserted into a woman's upper arm, that time-releases progestin to inhibit ovulation.

Nulliparous - A woman who has not ever given birth.

Nymphomania - A pejorative, unscientific term that is used to refer to sexual behaviour or desire in women that is considered "excessive" or "abnormal."

Obscenity - That which is legally deemed offensive to "accepted" standards of decency or morality.

Oedipus complex - In Freudian theory, the sexual attraction of a boy to his mother and simultaneous fear of his father. The male analog of the Electra complex.

On the rag - Pejorative, slang term referring to a woman having her period.

Oocyte - The female gamete; an egg or ovum.

Oogenesis - The production of oocytes.

Oophorectomy - The surgical removal of one or both ovaries.

Opportunistic infection - An illness that is considered rare or otherwise difficult to catch though is capable of taking advantage of a weakened immune system.

Oral contraceptive - Pills that contain synthetic estrogen and/or progesterone which cause a "false pregnancy" thereby preventing ovulation. Used as a contraceptive, they are commonly referred to as "the pill."

Oral-genital sex - Sexual activity in which the mouth is used to stimulate the genitals.

Orchidectomy - The surgical removal of one or both testes.

Orgasm - An intense sensation that occurs at the climax of sexual excitement that is accompanied by rhythmic muscle contractions and intense pleasure, followed by release of sexual tensions. In men, orgasm is usually accompanied by ejaculation.

Orgasmic platform - The vasocongestion that occurs in the outer third of the vagina during sexual arousal.

Orgy - A large, and often lavish, gathering of people for the purpose of having group sex.

Os - The opening of the cervix.

Outer lips - The fatty pads of tissue lying on either side of the vaginal opening and inner lips. Also known as the labia majora.

Ovarian follicle - A saclike structure in which an ovum develops.

Ovaries - The two small organs in the female that produce eggs and hormones; located above and to the sides of the uterus.

Oviduct - Fallopian tube.

Ovulation - The release of an egg from the ovary.

Ovulatory phase - The phase of the menstrual cycle during which ovulation occurs.

Ova - Plural for ovum; eggs; oocytes; the female gametes.

Ovulate - To release an egg from the ovary.

Ovum - Singular for ova; an egg; an oocyte; the female gamete.

Oxytocin - A hormone stimulates strong contractions of the uterus during childbirth; it is also involved in lactation.

Pap test - A test for cervical cancer done by examining cells scraped off the cervix during a pelvic examination.

Paraphilia - A sexual behaviour characterised by intense recurrent sexual urges and sexually arousing fantasies lasting at least 6 months and involving nonhuman objects or parts of human objects, the suffering or humiliation of oneself or one's partner, or children or other nonconsenting individuals.

Paraphiliac - A person who has a paraphilia.

Parenteral transmission - Infection via the bloodstream.

Partialism - A fetish in which a person is sexually attracted to a specific body part exclusive of the person.

Passive immunity - The immunity that a baby has to certain dis-eases due to the antibodies transferred to him or her through the mother's breast milk.

PCP - Abbreviation for pneumocystis carinii pneumonia. One of the opportunistic infections associated with AIDS.

Pederasty - Sex between an adult and a child, usually an adult male and a male child.

Pediculosis pubis - Lice that infest the pubic hair; commonly referred to as crabs.

Pedophile - An individual who is sexually attracted to prepubescent children.

Pedophilia - A paraphilia characterised by intense, recurring sexual urges or fantasies involving sexual activities with a prepubescent child.

Peer - An age-mate.

Pelvic floor - The underside of the pelvic area extending from the top of the pubic bone to the anus.

Pelvic inflammatory dis-ease (PID) - Infection of the pelvic organs such as the fallopian tubes that often causes scarring which is capable of then leading to infertility.

Penetration - The insertion of the penis or another object into the vagina or anus for sexual purposes.

Penis - The primary male sexual and reproductive organ through which both urine and semen pass.

Penis envy - In psychoanalytic theory, a woman's desire to have a penis, whether literally or metaphorically.

Perimetrium - The thin membrane covering the outside of the uterus.

Perinatal transmission - The passing of a dis-ease from mother to fetus through the placenta and bloodstream.

Perineum - A strip of sensitive tissue that runs between the genitals and the anus.  Period - The menstrual period.

Perversion - An old-fashioned term for a sexual deviation.

Phallic - Penis or penis-like in shape or form.

Phallus - An object that is a penis or penis-like in shape or form.

Pheromone - A sexually arousing chemical substance that is secreted into the air by many kinds of animals, including, possibly, humans.

Phimosis - A condition in which the foreskin is so tight against the glans that it is not capable of being pulled back and is required to be loosened or removed surgically.

Phobic - Irrationally fearful.

Photoplethysmograph - A device used to measure physiological sexual arousal in the female.

PID - Abbreviation for pelvic inflammatory disease.

Pimp - A prostitute's protector and manager.

Pituitary gland - A gland located on the lower surface of the brain that secretes several hormones important to sexual and reproductive functioning.

Placenta - A tube through which the developing fetus receives oxygen and nutrients from the mother and gets rid of waste products.

Plateau phase - Masters and Johnson's term for the second phase of sexual response, occurring just before orgasm.

Platonic - Not involving sex.

Platonic love - Nonsexual love for another person.

Playing with oneself - Slang term for masturbation.

Pleasure principle - In psychoanalytic theory, the principle that all organisms seek pleasure and avoid pain.

Pleasuring - Erotic touching.

Plethysmograph - A device used to measure physiological sexual arousal in the male.

PMS - An acronym for premenstrual syndrome.  Pneumocystis carinii pneumonia (PCP) - A form of pneumonia that commonly appears in persons whose immune systems are highly suppressed such as those with AIDS. Polar body - In oogenesis, the smaller of two cells produced during meiosis.

Polygamy - Marriage in which a person has more than one spouse.

Pornography - Sexually oriented material that is not considered acceptable to the viewer; the same material when judged subjectively acceptable is often referred to as "erotica."

POSSLQ - Acronym for "person of the opposite sex sharing living quarters." A generic term for co-habitating couples whether homo- or hetero-sexual.

Postpartum - The period of time following childbirth.

Postpartum depression - Depression experienced by some women following childbirth.

Pre-eclampsia - A condition that may occur to expectant mothers in the last trimester of pregnancy; symptoms include bloating, high blood pressure, and retention of toxic fluids.

Premarital sex - Sexual activities, especially sexual intercourse, prior to marriage.

Premature ejaculation - A sexual dysfunction characterized by the inability to control or delay ejaculation as long as desired.

Premenstrual syndrome (PMS) - A combination of physical and psychological symptoms (such as depression and irritability) that occurs in some women just prior to menstruation.

Prenatal - Before birth.

Prepuce - Foreskin.

Priapism - A rare, but painful, condition in which a male has a prolonged erection that does not subside following orgasm despite lack of arousal.

Prick - Slang term for penis.

Prodrome - The period prior to a viral outbreak in an individual when live viruses are shed from the affected areas. The person is highly infectious at this time, though asymptomatic.

Progesterone - A female hormone produced by the corpus luteum that helps regulate the menstrual cycle and sustain pregnancy.

Progestins - Generic term for the female hormones that prepare the female reproductive system for pregnancy.

Proliferative phase - The phase of the menstrual cycle in which the endometrium builds up in response to increased estrogen.

Promiscuous - A pejorative term used to refer to someone who engages in sexual activity with more individuals than the user of the term.

Prophylactic - A drug or device used to prevent disease; commonly used to refer to a condom.

Prostaglandins - Hormones that stimulate muscle contractions.

Prostate gland - A muscular gland encircling the urethra in the male that produces much of the seminal fluid.

Prostatitis - Inflammation or infection of the prostate gland.

Prostitution - The selling of sexual stimulation for money.

Provider - Prostitute

Proximity - Nearness in terms of physical space and time.

Prurient - A legal term referring to "provoking lasciviousness."

Pseudocyesis - False pregnancy.

Pseudohermaphrodite - An individual who has a mixture of male and female reproductive structures, or an ambiguous genital appearance, so that it is not clear whether the individual is a male or a female.

Psychoanalysis - A psychological system developed by Sigmund Freud that traces behaviour to unconscious motivations and drives, especially sexual.

Puberty - The stage of human development when the body becomes capable of reproduction.

Pubic hair - Hair on the lower abdomen and genital area that begins to appear at puberty.

Pubic louse (lice, plural) - Phthirus pubis, a tiny louse that infests pubic hair; commonly referred to as "crabs."

Pubococcygeus - A muscular sling stretching from the pubic bone in front to the tailbone in back; Sometimes known as the PC muscle, it controls urine flow and contracts during orgasm. See Kegel exercises.

Pudendum - The external genitals of the female.

Pussy - Slang term for vagina.

PWA - Acronym for "person with AIDS."

PWH - Acronym for "person with HIV."

Queer - Pejorative, slang term for a homosexual.

Quickening - The first movements by the fetus felt by a pregnant woman.

Radical mastectomy - A surgical treatment for breast cancer in which the entire breast, as well as the underlying muscle and lymph nodes, are removed.

Rape - Forcible sexual relations with an individual without that person's consent under actual or threatened force.

Rape-trauma syndrome - The psychological consequences that a victim experiences after being raped.

Refractory period - The period of time in men immediately following ejaculation, during which further erection or orgasm is not possible; not present in the female's sexual response cycle.

Relaxin - A hormone produced by the placenta that increases flexibility in the ligaments and joints of the pelvic area to assist in childbirth.

Reproductive bias - The belief of some individuals that procreation is the sole purpose for sex.

Reproductive success - The extent to which organisms are able to survive long enough to pass on their genes to successive generations.

Resolution phase - Masters and Johnson's term for the last phase of sexual response, in which the body returns to the unaroused state.

Retarded ejaculation - A sexual dysfunction in which the male is unable to have an orgasm despite sufficient arousal and stimulation.

Retrograde ejaculation - A condition in which, during orgasm in the male, the semen is expelled backward into the bladder rather than out of the urethral opening.

Retrovirus - A virus capable of altering the normal genetic writing process, causing the host cell to replicate the virus instead of itself. HIV is an example of such a virus.

Reverse Cowgirl - woman rides on top, facing away

Rhythm method - A method of contraception that involves abstaining from sexual intercourse during the fertile days of the woman's menstrual cycle each month.

Rimming - Slang term for annilingus.

RU-486 - An oral, postcoital birth control method that works by causing expulsion of the conceptus.

Rubber - Slang term for condom.

Russian - Penis between her breasts.

S&M - Abbreviation for sadomasochism.

Sadism - A sexual variation in which the person derives sexual pleasure from inflicting pain on someone else.

Sadomasochism (S&M) - A popular, nonclinical term for behaviours that involve both sexual sadism as well as masochism, often in a consensual, role-playing manner.

Safe - Sexual activity in which various measures, such as the use of condoms or dental dams, are taken to avoid disease (as AIDS) transmitted by sexual contact. e.g. All activities were safe.

Safer sex - Sexual activities that do not involve the exchange of bodily fluids. Used to prevent the transmission of diseases such as HIV.

Salpingitis - Infection of the fallopian tubes.

Saltpeter - A diuretic that was once believed (incorrectly) to prevent boys from masturbating.

Sarcoptes scabiei - The mite that causes scabies.

Satyriasis - A pejorative, unscientific term that is used to refer to sexual behaviour or desire in men that is considered "excessive" or "abnormal." It is the male analogue of the more common term "nymphomania."

Scabies - An contagious skin condition that characterised by an intensely itchy rash and caused by a barely visible mite that burrows under the skin.

Screw - Slang term for intercourse.

Scripts - Unconscious, socially and culturally determined plans that individuals use to organise and guide their behaviour.

Scrotum - The pouch of skin that contains the testes.

Secondary sex characteristics - The physical characteristics other than the sex organs, that distinguish men from women (e.g. breasts, facial hair, etc.)

Secretory phase - The phase of the menstrual cycle during which the endometrium begins to prepare for the arrival of a fertilised ovum.

Semen - The alkaline fluid expelled from the penis during ejaculation, containing fluids combined from several glands as well as sperm.

Seminal fluid - Another term for semen.

Seminal vesicles - One of two glands lying on either side of the prostate, which secrete much of the fluid in semen.

Seminiferous tubules - Tightly coiled tubules in the testes that manufacture sperm.

Sensate focus - An exercise prescribed by sex therapists that concentrates on touch and the giving and receiving of pleasure in a non-demand situation as opposed to focusing on intercourse and achieving orgasm.

Serial monogamy - An increasingly common form of dating and marriage in which a person mates with just one other person at a time but then ends that relationship and forms another.

Seroconversion - The process by which a person develops antibodies.

Serostatus - The absence or presence of antibodies for a particular antigen.

Sex flush - A rash that appears on the skin during sexual arousal due to vasocongestion.

Sex guilt - A sense of guilt resulting from the violation of personal standards of proper sexual behaviour.

Sex reassignment surgery - Surgery, which alters the physical characteristics of an individual of one gender to resemble that of the other.

Sex role - Less used term for gender role.

Sex toy - A device, such as a vibrator or dildo, designed to enhance sexual pleasure.

Sex-change operation - The surgery done on transsexuals to change their anatomy to that of the other gender.

Sexology - The scientific study of sexuality.

Sexologist - A professional who studies sexual science.

Sexual aggression - Any kind of sexual activity against a person's will.

Sexual arousal disorder - Failure to obtain or maintain erection or vaginal lubrication, despite adequate interest and stimulation.

Sexual aversion disorder - A dysfunction characterised by extreme dislike and avoidance of sexual activities.

Sexual coercion - A broad term referring to any kind of sexual activity that is forced on another person through the use of force, pressure, alcohol and drugs, or authority.

Sexual double standard - The view that a particular behaviour is acceptable for one gender but not the other.

Sexual dysfunction - A difficulty with sexual responding that is the origin of a person subjective distress (e.g. anorgasmia).

Sexual enhancement - Improvement or enrichment of sexual relationships among otherwise healthy, well-functioning individuals.

Sexual harassment - The use of status and/or power for sexual ends.

Sexual identity - A person's sense of their sexual orientation, whether heterosexual, homosexual, or bisexual.

Sexual masochism - A sexual variation in which the individual derives sexual pleasure from experiencing pain.

Sexual orientation - The pattern of sexual, social, romantic, cognitive and emotional attraction based on the gender of one's partner.

Sexual sadism - A sexual variation in which the individual derives sexual pleasure from inflicting pain.

Sexual selection - An evolutionary theory used sometimes in an attempt to explain gender differences.

Sexual surrogate - A member of a sex therapy team whose has sexual interactions with a client as part of their therapy.

Sexual variation - Sexual behaviour that is not part of the norms for a given culture; atypical sexuality.

Sexually explicit material - Material that graphically depicts sexual activities.

Sexually oriented material - Materials such as photographs, videos, films, magazines, CD-ROMs or books whose primary themes or depictions involve sex.

Sexually transmitted diseases - Those illness that are communicated to another person via sexual contact.

Shaft - The body of the penis.

Sixty Nine - Partners perform oral sex on each other simultaneously.

Skene's glands - Glands opening into the urethra.

Smegma - A cheesy substance formed by several small glands beneath the foreskin of the penis and hood of the clitoris.

Socialisation - The process of developing the skills required to interact with others in one's culture.

Sociobiology - A theory that uses evolutionary biology to explain the social behaviour of all animals, including humans.

Sodomy - An ambiguous legal term which, depending on the jurisdiction, which refers to so called "unnatural acts" such as anal intercourse, sexual relations with animals, or oral sex.

Softcore - Nonexplicit sexually oriented material.

Spectatoring - The process in which a person begins to observe and evaluate his or her sexual activities, rather than merely enjoying them, thereby often causing sexual dysfunctions or disorders.

Sperm - The male reproductive cell.

Spermarche - The beginning of the ability to ejaculate sperm in adolescent boys.

Spermatic cord - The cord suspending the testicle within the scrotum, containing nerves, blood vessels, and the vas deferens.

Spermatogenesis - The production of sperm.

Spermatozoan - Sperm.

Spermicide - A substance that acts to kill or immobilize sperm; usually used as a contraceptive.

Spinnbarkeit - The elasticity of preovulatory cervical mucus.

Spirochete - The type of spiral shaped bacteria that causes syphilis.

Spontaneous abortion - The natural expulsion of the conceptus; commonly referred to as miscarriage.

Squeeze technique - A technique used by sex therapists for the treatment of premature ejaculation in which the man or his partner squeezes the erect penis below the glands when he senses the likelihood of ejaculating, thereby reducing the urge.

Start-stop - A sex therapy technique in which a man learns to control ejaculation by repeatedly ceasing stimulation prior to orgasm.

Statutory rape - Sexual intercourse with a person who is under the legal age of consent.

STD - Acronym for Sexually Transmitted Disease.

Sterile - Incapable of reproducing.

Sterilisation - A surgical procedure performed to make an individual incapable of reproduction.

Straight - Heterosexual.

Suction abortion - An abortion technique in which the conceptus is removed from the uterus via a suction machine; also called vacuum aspiration.

Surrogate mother - A woman who, through artificial insemination, intercourse, or in vitro fertilisation, gives birth to an infant for someone else.

Swingers - Individuals who do not believe in monogamy, or engage in activities involving sexual activities with their primary partner and others simultaneously, such as in "wife swapping."

Sympto-thermal method - A fertility awareness method combining the BBT, calendar and mucous methods.

Syphilis - An STD caused by the Treponema pallidum bacterium.

Systematic desensitisation - A behaviour therapy technique often useful with sexual phobias in which deep muscle relaxation is used to reduce the anxiety associated with certain situations.

Telephone scatalogia - A nonspecified paraphilia characterised by a recurrent, intense urge or fantasy to make obscene telephone calls.

Tenting - The expansion of the inner two-thirds of the vagina during sexual arousal.

Teratogenic - Causing birth defects.

Testes - The small, oval sex glands of the male, located in the scrotum that produces sperm and sex hormones.

Testicle - One of the two male gonads inside the scrotum. Also called testis.

Testicular feminization - Outdated term for androgen-insensitivity syndrome.

Testis - Another word for testicle; singular term for testes.

Testosterone - The major natural androgen, it is secreted by the testes and serves to maintain secondary sex characteristics, sperm production and sex drive.

Theoretical failure rate - The ideal failure rate of a contraceptive method when it is used consistently and correctly.

Tit fuck - Slang term for a form of intercourse in which a man thrusts his penis between a woman's breasts.

Tits - Slang term for a woman's breasts.

Toxemia - A dangerous condition that can occur between the 20th and 24th weeks of pregnancy that is accompanied by high blood pressure and edema.

Toxic shock syndrome (TSS) - A potentially life-threatening condition caused by the Staphylococcus aureus bacterium and linked to the use of superabsorbent tampons.

Transition A short period of intense and very frequent contractions at the end of the first stage of labor that completes dilation of the cervix to 10 cm to allow the infant's head to enter the birth canal.

Transsexual An individual whose individual gender identity is different from his or her anatomical sex. They thus perceived trapped in the body of the wrong gender.

Transvestism - Dressing in the clothing of the other gender.

Transvestite - A person who enjoys wearing the clothes of the other gender.

Triangular system - A psychoanalytic concept that posits that a male becomes a homosexual because of an intimate, controlling mother and a detached, rejecting father.

Tribadism - A sexual activity in which one woman lies on top of another, often "scissoring" her legs with her partners', and moves rhythmically for mutual clitoral stimulation.

Trich - Abbreviation for trichomoniasis; an inflammation of the vagina characteriSed by a whitish discharge, caused by the Trichomonas vaginalis parasite.

Trichomoniasis - An inflammation of the vagina characterised by a whitish discharge, caused by the Trichomonas vaginalis parasite. Often abbreviated as trich.

Triphasic oral contraceptives - Combination birth control pill in which the levels of estrogen and progestin are varied over the menstrual cycle to more closely match that of the fluctuations that would occur naturally

Troilism - A sexual behaviour in which three people engage in sexual activity together.

TS - Slang term for a transsexual.

TSS - Acronym for toxic shock syndrome.

TV - Slang term for a transvestite.

Tubal ligation - A form of female sterilisation that involves the cutting and/or tying off of the fallopian tubes so that ova is not capable of being fertilised.

Tubal pregnancy - An ectopic pregnancy in which the embryo is implanted in the woman's fallopian tube.

Tumescence - Swelling, such as that caused by vasocongestion.

Turner syndrome - A genetic defect wherein females are born lacking an X chromosome, resulting in the failure to develop ovaries.

Tyson's glands - Glands under the foreskin of the penis that secrete a cheesy substance called smegma.

Umbilical cord - The tube that connects the fetus to the placenta.

Undescended testicle - A condition in which a testis has not dropped down through the iniguinal canal from the abdomen into the scrotum.

Urethra - The tube through which urine passes out of the body; in males, it is also the tube through which semen is discharged.

Urethral opening - The opening in the urethra through which urine is expelled.

Urethritis - Inflammation of the urethra.

Urophilia (or urolagnia) - A sexual variation in which the person derives sexual excitement from urine or urination. Such activities are often referred to as "water sports."

Uterine cycle - Another term for menstrual cycle.

Uterus - A hollow, thick-walled, muscular organ in the pelvic cavity of a woman; it is the site at which a fertilized egg implants and the fetus develops during pregnancy.

Vacuum aspiration - A form of abortion utilised in the first trimester in which a vacuum suction is used to remove the conceptus and other tissue from the uterus.

Vagina - The tube-shaped muscular organ in the female into which the penis is inserted during intercourse and through which a baby passes during birth.

Vaginismus - A sexual dysfunction characterised by strong, involuntary muscle spasms around the vaginal entrance, preventing the insertion of a penis.

Vaginitis - An inflammation or irritation of the vagina, often due to infection.

Varicoceles - Enlarged or damaged veins leading to the testes or vas deferens; it is a major cause of male infertility.

Vas deferens - The ducts through which sperm pass from the testes to the urethra.

Vasectomy - A surgical procedure for male sterilisation in which the vas deferens is severed or tied.

Vasocongestion - An accumulation of blood in the genital region (causing swelling or erection) due to sexual excitation.

Venereal dis-ease - A dis-ease transmitted primarily by sexual contact.

Virgin - A person who has not ever had sexual intercourse.

Virginity - The state of not ever having had sexual intercourse.

Voyeurism - A sexual variation in which a person derives sexual pleasure from watching others nude or having sexual intercourse (often without their knowledge).

Vulva - The collective term for the external female genitals.

Wank (off) - Slang term for masturbation.

Wassermann test - A blood test for syphilis.

Western blot - A blood test for HIV antibodies.

Wet dream - Slang term for nocturnal emission.

Withdrawal - A method of birth control in which the male withdraws his penis from the vagina before he ejaculates; because men often secrete a small amount of fluid that often contains sperm prior to actual ejaculation, this is not a very reliable method of birth control.

Wolffian ducts - Fetal tissue that develops into the internal male reproductive structures if the fetus is genetically male.

Womb - The term used for uterus by some individuals when referring to it as a container for the developing infant.

Woody - Slang term for an erection.

X-rated - Visually explicit. Derived from the Motion Picture Association's rating system.

Yeast infection - A vaginal infection caused by the fungus Candida albicans. Also known as candidiasis or moniliasis.

Yohimbine - An alleged aphrodisiac derived from the bark of the African yohimbe tree.

ZIFT - Acronym for zygote intrafallopian transfer.

Zoophilia - A nonspecified paraphilia referring to sexual excitement derived from sexual interactions with animals; often referred to as bestiality

Zygote - The developing organism from fertilisation to implantation; a fertilised egg.

Zygote intra-fallopian transfer (ZIFT) - A procedure often used with infertile couples in which an egg is fertilised by sperm in a laboratory dish and is then placed into the fallopian tube of the woman.


 


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