| Term 
 
        | Acquaintance rape (date rape) |  | Definition 
 
        | forced sexual assault by a friend, acquaintance or date |  | 
        |  | 
        
        | Term 
 
        | Acquired immunodeficiency syndrome (AIDS) |  | Definition 
 
        | a catastrophic illness in which a virus invades and destroys the ability of the immune system to fight disease. The AIDS virus appears to be spread primarily through sexual contact, needle sharing among injection drug users, or less commonly, through administration of contaminated blood products. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the placenta and amniotic sac following their expulsion through the vagina after childbirth |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the inability to put one's feelings or emotions into words |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the absence of menstruation |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the fluid inside the amniotic sac surrounding the fetus during pregnancy |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a procedure in which amniotic fluid is removed from the uterus and tested to determine if certain fetal birth defects exist |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | oral stimulation of the anus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | substances that are known to inhibit sexual behavior ----such as tranquilizers, opiates, antihypertensives, and nicotine |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the primary hormone products of the testes, most importantly testosterone, which influences both the development of male physical sexual characteristics and sexual motivation |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | possessing behavioral characteristics of both sexes; also used to describe gender role flexibility |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a substance that allegedly arouses sexual desire and increases the capacity for sexual activity |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the darkened circular area surrounding the nipple of the breast |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a procedure in which semen from a woman's partner is mechanically introduced by a health care practitioner into the woman's vagina, cervix, or uterus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | term the authors use to describe sexual behavior that is not typically expressed by the majority of people in American society; clinical term is paraphilia |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the enhancement of sexual excitement and orgasm by pressure-induced oxygen deprivation |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | two small glands located on each side of the vaginal opening that secrete a few drops of fluid during sexual arousal |  | 
        |  | 
        
        | Term 
 
        | Basal body-temperature method (BBT) |  | Definition 
 
        | a method of birth control based on temperature changes before and after ovulation |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | attraction to both same-sex and other-sex partners |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | deriving sexual pleasure from being bound, tied up or otherwise restricted |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | secondary sex characteristics, composed of fatty tissue and mammary glands |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a technique used to help women experience orgasm during intercourse |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a method of birth control based on abstinence from intercourse during the estimated calendar time of her menstrual cycle when she is ovulating and fertile |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | an inflammatory infection of the vaginal tissues caused by the yeast-like fungus Candida albicans |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | surgical removal of the testes or ovaries. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the state of being unmarried (as historically defined); currently defined as not engaging in sexual behavior |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a plastic or rubber thimble-shaped cup that covers the cervix in order to provide a contraceptive barrier to sperm |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the small end of the uterus, located at the back of the vagina |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a childbirth procedure in which the infant is removed through an incision in the abdomen and uterus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a raised, red painless sore that is symptomatic of the primary phase of syphilis |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a disease characterized by smaller bumps in the genital region that eventually rupture and form painful ulcers with a discharge |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | sexual contact of any kind between an adult and a child (inappropriate touching, oral-genital stimulation, coitus, etc.) |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | caused by the bacterial microorganism Chlamydia trachomatis, it is among the most prevalent and most damaging of all stds, and is the most common bacterial STD in the U.S. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | surgical removal of the foreskin of the penis |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | physiological changes that occur during the transition period from fertility to infertility in both sexes |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the head of the clitoris, richly endowed with nerve endings |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the length of the clitoris between the glans and the body |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a highly sensitive structure of the female external genitals, the only purpose of which is sexual pleasure |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | penile-vaginal intercourse |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a thin, yellowish fluid secreted by the breasts during late pregnancy and the first few days following delivery |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | acknowledging, accepting and openly expressing one's homosexuality; there are several steps involved in this process |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a latex or membrane sheath that fits over the penis and is used for protection against unwanted pregnancy and sexually transmitted diseases |  | 
        |  | 
        
        | Term 
 
        | Constant-dose combination pill |  | Definition 
 
        | the most commonly used oral contraceptive in the U.S.; contains synthetic estrogen and progestin which are released at constant levels throughout the menstrual cycle |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the rim of the glans of the penis |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | (bulbourethral glands) two pea-sized glands located alongside the base of the urethra in the male that secrete an alkaline fluid during sexual arousal |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | involuntary contractions of the major scrotal (cremasteric) muscle, causing the scrotum to draw closer to the body |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a condition in which the testicles fail to descend from the abdominal cavity to the scrotal sac |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | oral stimulation of the vulva |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a well-known antiandrogen; an injectable contraceptive that contains progestin and is effective for twelve weeks |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | an inherited disease that occurs when the pancreas fails to secrete insulin. Nerve damage or circulatory problems resulting from diabetes can cause sexual problems |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a contraceptive device consisting of a latex dome on a flexible spring rim. The diaphragm is inserted into the vagina with contraceptive cream or jelly and covers the cervix. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a medical procedure for pregnancy termination between 13 and 21 weeks |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | rinsing out the vagina with plain water or solutions; usually unnecessary. Excessive douching may result in vaginal irritation. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | pain or discomfort that occurs before or during menstruation |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | pain or discomfort during intercourse |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | flattening and thinning of the cervix that occurs before and during childbirth |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the process whereby semen is expelled through the penis to the outside of the body |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a decision to terminate a pregnancy by medical procedures |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a condition in which tissue that normally grows on the walls of the uterus implants on various parts of the abdominal cavity |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the tissue that lines the inside of the uterine walls |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | neurotransmitters chemically similar to morphine that produce feelings of tranquillity and security |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the structure along the back of each testicle in which sperm maturation occurs |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | an incision that is sometimes made in the perineum to prevent the ragged tearing of tissues that may occur during the birth process |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | coordinated by the autonomic nervous system, the process whereby the three erectile chambers of the penis engorge with blood causing it to increase in size |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | ovarian hormones, the most important of which is estradiol, which influence the development of female sex characteristics and help regulate the menstrual cycle |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the act of exposing one's genitals to an unwilling observer |  | 
        |  | 
        
        | Term 
 
        | Extramarital relationship |  | Definition 
 
        | sexual interaction experienced by a married person with someone other than her or his spouse |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | two four-inch tubes that extend from the uterus in the pelvic cavity where the egg and sperm travel |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | oral stimulation of the penis and scrotum |  | 
        |  | 
        
        | Term 
 
        | Female orgasm disorder (anorgasmia) |  | Definition 
 
        | a sexual difficulty involving the absence of orgasm in women |  | 
        |  | 
        
        | Term 
 
        | Female sexual arousal disorder |  | Definition 
 
        | a woman's persistent inability to attain or maintain the vaginal lubrication-swelling response |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the leading method of birth control in the U.S. whereby the fallopian tubes are tied off or clipped by any one of the following methods: minilaparotomy; laparoscopy; or culpotomy |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | obtaining sexual excitement primarily or exclusively from an inanimate object or a particular part of the body |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the initial stage of childbirth in which regular contractions begin and the cervix dilates |  | 
        |  | 
        
        | Term 
 
        | Follicle stimulating hormone (FSH) |  | Definition 
 
        | a pituitary hormone secreted by a female during the secretory phase of the menstrual cycle that stimulates the development of ovarian follicles |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | usually defined as the touching, kissing, or oral-genital contact that precedes coitus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a covering of skin over the penile glans |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a highly sensitive, thin strip of skin that connects the glans to the shaft on the underside of the penis |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | an imprecise and pejorative term traditionally used to describe a variety of female sexual problems |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a fairly common paraphilia in which a person obtains sexual pleasure by pressing or rubbing against another in a crowded public place |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the psychosocial aspects of being masculine or feminine |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | another term for transsexualism, the condition in which an individual's gender identity is opposite to his or her biological sex |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | how one psychologically perceives oneself as being either male or female |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a collection of attitudes and behaviors that are considered normal and appropriate in a specific culture for people of a particular sex |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | viral warts that appear on the genitals and are usually transmitted through vaginal, oral or oral-genital sexual interaction |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | men who provide sexual services for women in exchange for money and gifts |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the smooth, acorn-shaped head of the penis |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the reproductive organs (testes in men and ovaries in women) |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a sexually transmitted disease that initially causes inflammation of mucous membranes |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the system of glands and ducts surrounding the urethra which can be located by stimulating the anterior wall of the vagina below the urethra |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the medical specialty for female sexual and reproductive anatomy |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a disease, characterized by blisters on the skin in the regions of the genitals or mouth, that is caused by a virus and is easily transmitted by sexual contact |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | irrational fears of homosexuality in others or within oneself, or self-loathing because of one's homosexuality |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | an individual whose primary erotic, psychological, emotional and social interest is in a member of the same sex, even though those interests may not be overtly expressed |  | 
        |  | 
        
        | Term 
 
        | Hormone replacement therapy (HRT) |  | Definition 
 
        | the use of supplemental hormones during and after menopause |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a common symptom associated with menopause whereby the fluctuating levels of hormones rapidly dilate the blood vessels, causing a woman to feel a momentary rush of heat |  | 
        |  | 
        
        | Term 
 
        | Human immunodeficiency virus (HIV) |  | Definition 
 
        | an immune-system-destroying virus that causes AIDS |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a fold of tissue partially covering the vaginal opening |  | 
        |  | 
        
        | Term 
 
        | Hypoactive sexual desire (HSD) |  | Definition 
 
        | a sexual difficulty involving lack of interest in sexual fantasy and activity |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a brain structure that plays a major role in controlling the production of sex hormones and the regulation of fertility and menstrual cycles through its interaction with the pituitary gland |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the surgical removal of the uterus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the inappropriate and pejorative term often applied to male erection difficulty; literally means "without power" |  | 
        |  | 
        
        | Term 
 
        | In vitro fertilization (IVF) |  | Definition 
 
        | a procedure in which the eggs are removed from the ovary and are fertilized in a laboratory dish by her partner's sperm, and later introduced into the woman's uterus. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | sexual contact between two people who are related, one of whom is often a child |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a small, plastic device that is inserted into the uterus for contraception |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the opening of the vagina, located between the urinary opening and the anus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | entry of the penis into the vagina |  | 
        |  | 
        
        | Term 
 
        | Kaplan's model of sexual response |  | Definition 
 
        | three stages of sexual response that include desire, excitement, and orgasm |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a series of exercises developed by Arnold Kegel that strengthen the muscles underlying the external male or female genitals |  | 
        |  | 
        
        | Term 
 
        | Kinsey's continuum of sexual orientation |  | Definition 
 
        | Alfred Kinsey's seven-point scale analyzing sexual orientation, ranging from 0 (exclusive heterosexual contact) to 6 (exclusive homosexual contact) |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a chromosomal abnormality that results when an atypical ovum is fertilized by a Y-bearing sperm, creating an XXY individual |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the outer lips that extend downward from the mons on each side of the vulva; they surround the labia minora and urethral and vaginal openings |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the inner lips, located within the labia majora, that consist of hairless folds of skin that join at the clitoral hood |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a method of childbirth preparation using breathing and relaxation |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a common term for homosexual women |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the hormone secreted by the pituitary gland that stimulates ovulation in the female |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a sexual difficulty whereby a man's penis does not become erect in response to sexual stimulation |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the inability of a man to ejaculate during sexual activity, usually intercourse |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | milk glands in the female breast |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a highly sensitive x-ray test for the detection of breast cancer |  | 
        |  | 
        
        | Term 
 
        | Masters and Johnson's sexual response cycle |  | Definition 
 
        | four phases in sexual response for men and women that include excitement, plateau, orgasm, and resolution |  | 
        |  | 
        
        | Term 
 
        | Masturbation (autoeroticism) |  | Definition 
 
        | self-stimulation of one's genitals for sexual pleasure |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | when medications are used to induce abortions in early pregnancy |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the initial onset of the first menstrual period |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | cessation of menstruation due to the aging process or surgical removal of the ovaries |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | cessation of menstruation due to the aging process or surgical removal of the ovaries |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the phase of the menstrual cycle when menstruation occurs |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the development of congruent menstrual cycle timing that sometimes occurs among women who live in close proximity |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the sloughing off of the built-up uterine lining that takes place if conception has not occurred |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | marriage between one man and one woman |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | literally "mound of Venus"; refers to the pads of fatty tissue covering the pubic bone |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a birth control method that is based on determining the time of ovulation by means of the cyclical changes of the cervical mucus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | an oral contraceptive designed to reduce total hormone dosage and side effects by providing fluctuations of estrogen and progesterone levels throughout the menstrual cycle |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | more than one orgasm experienced within a short time period |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | increased muscle tension that occurs throughout the body in response to sexual arousal |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a rare sexual paraphilia in which a person obtains sexual gratification by viewing or having intercourse with a corpse |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the central pigmented area of the breast, which contains numerous nerve endings. In women, the nipple also contains the milk ducts |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | involuntary ejaculation during sleep, also known as a "wet dream" |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | orgasm that occurs during sleep; it is experienced by both men and women |  | 
        |  | 
        
        | Term 
 
        | Normative male alexithymia |  | Definition 
 
        | a relatively common condition among men in which they are unaware of their feelings and/or unable to express them |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a contraceptive method in which six thin capsules of synthetic progestin are implanted in a woman's upper arm; provides effective contraception for five years |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the surgical removal of the ovaries |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the surgical procedure for removing the testes |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the increased engorgement of the outer third of the vagina during the plateau phase of the sexual response cycle |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a behavior therapy technique in which a client is instructed to switch from paraphilic to healthy fantasies at the moment of masturbatory orgasm |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the opening in the cervix that leads to the interior of the uterus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | female gonads that produce ova and sex hormones |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the release of a mature ovum from the graafian follicle of the ovary |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a screening test for cervical cancer |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | term used to describe uncommon types of sexual expression in the psychological and psychiatric literature |  | 
        |  | 
        
        | Term 
 
        | Pedophilia (child molestation) |  | Definition 
 
        | nonrelative child sexual abuse |  | 
        |  | 
        
        | Term 
 
        | Pelvic inflammatory disease (PID) |  | Definition 
 
        | invasive infections of the upper reproductive tract (uterus, pelvic cavity, etc.) |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a device used in sex research that can measure even the slightest changes in penis size as the result of sexual arousal |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a male sexual organ consisting of the internal root and external shaft and glans |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the area of smooth skin between the vaginal opening and the anus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | abnormal fibrous tissue and calcium deposits in the penis which may result in pain or discomfort during intercourse |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | substances secreted by the body, related to reproductive functions, that produce certain odors |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a disk-shaped organ attached to the uterine wall and connected to the fetus by the umbilical cord. Nutrients, oxygen and waste products pass between mother and fetus through its cell walls |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a model of sex therapy that specifies four levels of treatment: Permission; Limited Information; Specific Suggestions; and Intensive Therapy |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | marriage between one woman and several men |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | practice of having two or more wives at the same time |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | visual and written materials of a sexual nature that are used for purposes of sexual arousal |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the first several weeks following childbirth |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a sexual difficulty whereby a man ejaculates so rapidly as to impair his own or his partner's pleasure |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | physical and/or psychological symptoms that women may experience before each menstrual period |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | clitoral hood, or skin that covers the clitoris |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | areas of the body containing dense concentrations of nerve endings very responsive to tactile pleasuring; e.g., Genitals, buttocks, anus, breasts, mouth, armpits, neck, thighs, earlobes, navel, etc. |  | 
        |  | 
        
        | Term 
 
        | Primary infection (window period) |  | Definition 
 
        | the period of time between exposure to HIV and the appearance of HIV antibodies in the blood. Individuals are highly infectious at this time. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | ---- an oral contraceptive that contains no estrogen and only 0.35 mg of progestin ---- one third the amount of an average combination pill |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a medical procedure for pregnancy termination during the second trimester |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | hormones produced by body tissues that cause the muscles of the uterus to contract |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a gland located at the base of the bladder whose secretions comprise about 30 percent of the seminal fluid released during ejaculation |  | 
        |  | 
        
        | Term 
 
        | Prostate-specific antigen (PSA) |  | Definition 
 
        | a marker for prostate cancer that can be detected by a blood test |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the stage of life between childhood and adulthood during which the reproductive organs mature |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | parasitic insects that primarily infest the pubic hair and are transmitted by sexual contact |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | sexual intercourse that occurs without consent as a result of actual or threatened force |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the emotional repercussions women experience following rape or attempted rape |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | in the male resolution phase of Masters and Johnson's sexual response cycle, a recovery stage in which there is a temporary inability to reach orgasm |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | process by which semen is expelled into the bladder instead of out of the penis |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a powerful tranquilizer that, when combined with alcohol, may dramatically reduce inhibitions, produce unconsciousness, and total amnesia for events that occur while a person is under its influence |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | an anti-progesterone substance that has the potential to be used as contraception and emergency contraception, as well as in several other ways |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the association of sexual expression with pain |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a technique for reducing arousal to inappropriate stimuli by first masturbating to orgasm while imagining appropriate stimuli and then continuing to masturbate while fantasizing about paraphilic images |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | an ectoparasitic infestation of tiny mites |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the pouch of skin of the external male genitals that encases the testicles |  | 
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        | Secondary sex characteristics |  | Definition 
 
        | the physical characteristics other than genitals that indicate sexual maturity, such as body hair, breasts, and deepened voice |  | 
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 | Definition 
 
        | the middle stage of labor, in which the infant descends through the vaginal canal |  | 
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 | Definition 
 
        | a fluid ejaculated through the penis that contains sperm and fluids from the prostate, seminal vesicles, and Cowper's glands |  | 
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 | Definition 
 
        | two, small glands adjacent to the terminals of the vas deferens that secrete an alkaline fluid conducive to sperm motility |  | 
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 | Definition 
 
        | a series of touching and communication exercises developed by Masters and Johnson, used to enhance sexual pleasure and to reduce performance pressure |  | 
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 | Definition 
 
        | the process whereby people develop antibodies to HIV |  | 
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 | Definition 
 
        | a pink or red rash that appears in the chest or breasts during sexual arousal |  | 
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 | Definition 
 
        | extreme and irrational fear of sexual activity |  | 
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 | Definition 
 
        | unwanted sexual advances from individuals in the workplace or an academic setting |  | 
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 | Definition 
 
        | the act of obtaining sexual arousal through receiving physical or psychological pain |  | 
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        | Term 
 | Definition 
 
        | the act of obtaining sexual arousal through giving physical or psychological pain |  | 
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        | Sexually transmitted diseases (stds) |  | Definition 
 
        | diseases that are transmitted by sexual contact |  | 
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        | Term 
 | Definition 
 
        | the external, pendulous portion of the penis, excluding the head |  | 
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        | Term 
 | Definition 
 
        | genital secretions, skin cells, and bacteria which may accumulate under the clitoral hood |  | 
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 | Definition 
 
        | an ill-defined legal category for noncoital genital contacts such as oral-genital and anal intercourse |  | 
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 | Definition 
 
        | an instrument used to hold open the vaginal walls during a gynecological exam |  | 
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 | Definition 
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        | Term 
 
        | Spontaneous abortion (miscarriage) |  | Definition 
 
        | the spontaneous expulsion of the fetus from the uterus in early pregnancy, before it can survive on its own |  | 
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 | Definition 
 
        | a treatment technique for premature ejaculation, whereby pressure is applied to the frenum and top side of a man's penis until the man loses the urge to ejaculate |  | 
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        | Term 
 | Definition 
 
        | intercourse with a person under the age of legal consent |  | 
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        | Term 
 | Definition 
 
        | a treatment technique for premature ejaculation, consisting of stimulating the man's penis to the point of impending orgasm and then stopping until the pre-ejaculatory sensations subside |  | 
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        | Term 
 | Definition 
 
        | a medical procedure for abortion that is used in the early stages of pregnancy (7--13 weeks after the last menstrual period) |  | 
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 | Definition 
 
        | a sexually transmitted disease caused by a thin corkscrew-like bacterium called Treponema pallidum (also called a "spirochete") |  | 
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        | Term 
 | Definition 
 
        | male gonads inside the scrotum that produce sperm and sex hormones |  | 
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 | Definition 
 
        | the last stage of childbirth, in which the placenta separates from the uterine wall and comes out of the vagina |  | 
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 | Definition 
 
        | a dangerous condition during pregnancy, an early symptom of which is high blood pressure |  | 
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 | Definition 
 
        | a disease caused by toxins produced by the bacterium staphylococcus aureus that may induce a person to go into shock, occurring most commonly in menstruating women |  | 
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 | Definition 
 
        | a person whose gender identity is opposite to his or her biological sex |  | 
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 | Definition 
 
        | deriving sexual arousal from wearing clothing of the other sex |  | 
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 | Definition 
 
        | rubbing genitals against someone's body or genital area |  | 
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 | Definition 
 
        | a form of vaginitis caused by a one-celled protozoan calledTrichomonas vaginalis |  | 
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 | Definition 
 
        | the short tube connecting the bladder to the urinary opening, located between the clitoris and the introitus |  | 
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        | Term 
 | Definition 
 
        | the short tube connecting the bladder to the urinary opening, located between the clitoris and the introitus |  | 
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        | Term 
 | Definition 
 
        | the portion of the urethra between the urethral sphincters in the male |  | 
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 | Definition 
 
        | the medical specialty that focuses on male reproductive structures |  | 
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 | Definition 
 
        | a pear-shaped organ inside the female pelvis, within which the fetus develops |  | 
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 | Definition 
 
        | an expandable canal in the female that opens at the vulva and extends about four inches into the pelvis, consisting of mucous, muscle and fibrous tissue |  | 
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        | Term 
 
        | Vaginal photoplethysmograph |  | Definition 
 
        | ---- a device used in sex research to measure the increases in vaginal blood volume that occurs as a woman becomes sexually aroused |  | 
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        | Term 
 | Definition 
 
        | chemical substances used in foam, suppositories, the contraceptive sponge, creams and jellies and contraceptive film that are inserted in the vagina prior to intercourse in order to kill sperm |  | 
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 | Definition 
 
        | a sexual difficulty in which a woman experiences involuntary spasmodic contractions of the muscles of the outer third of the vagina |  | 
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 | Definition 
 
        | inflammation of the vaginal walls caused by a variety of vaginal infections |  | 
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 | Definition 
 
        | a sperm-carrying tube that begins at the testicle and ends at the urethra |  | 
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 | Definition 
 
        | male sterilization procedure that involves removing a section from each vas deferens |  | 
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        | Term 
 | Definition 
 
        | the engorgement of blood vessels in particular body parts in response to sexual arousal |  | 
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        | Term 
 | Definition 
 
        | surgical reconstruction of the vas deferens after vasectomy |  | 
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        | Term 
 | Definition 
 
        | the area of the vulva inside the labia minora where both the urinary and vaginal openings are located |  | 
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 | Definition 
 
        | the fetus' ability to survive independently of the woman's body |  | 
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 | Definition 
 
        | the act of obtaining sexual gratification by observing people who are undressed or engaged in sexual interaction without their consent |  | 
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 | Definition 
 
        | all external female genital structures |  | 
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 | Definition 
 
        | a paraphilia in which a person has sexual contact with animals |  | 
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 | Definition 
 
        | the single cell resulting from the union of sperm and egg cells |  | 
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