Letter : H
* 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 disease 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 can be 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 characterized 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.
* 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.
* 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 aroused 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 negative 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 characterized 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.
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Letter : I
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 fertilized egg into the lining of the
uterus.
impotence Out of vogue, but still commonly used, 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 appropriate after the couple has been trying
for a year or more.
* infibulation The ritual practice 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 called ejaculatory incompetence or retarded ejaculation.
* inhibited sexual desire A sexual disorder characterized by low or absent sexual desire.
* inguinal 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 enclose 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
* internalized 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.
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Letter : J
* jism Slang term for semen.
* jerk-off Slang term for male masturbation.
* John A slang term for the customer of a prostitute or sex worker.
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Letter : K
* 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.
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Letter : L
* 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 enclose the clitoris and the vaginal opening. Also known
as minor (or inner) lips.
* labor 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.
* lanugo The fine, downy hair covering the fetus.
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