| A | B |
|---|
| climacteric | in women, the decline in estrogen production and the loss of reproductive ability; in men, the decline in testosterone |
| erection | the swelling of the penis or clitoris in sexual excitement |
| heterosexuality | sexual orientation toward the opposite gender/sex |
| homosexuality | sexual orientation toward the same gender/sex |
| hot flashes | a sudden sensation of heat in the upper body caused by vasomotor instability as nerves over-respond to decreases in hormone |
| impotence | the inability to have or maintain an erection |
| intimacy | feelings of deep mutual regard, affection, and trust, usually developed through long association |
| male menopause | a term that suggests a significant change experienced by men as their production of testosterone decreases |
| masturbation | erotic stimulation of the genital organs achieved by manual contact exclusive of sexual intercourse |
| menopause | cessation of the menstrual cycle orgasm climax of sexual excitement |
| penile implant | a device surgically implanted in the penis to reverse impotence |
| perimenopause | unpredictable menstrual cycles-up to 10 years before menopause |
| postmenopause | when 12 months have passed with- out a menstrual cycle |
| preorgasmic plateau phase | the phase of lovemaking prior to orgasm and in which sexual tension is at its height |
| prostate enlargement | growth of the prostate which can result in pain and difficult urination |
| refractory period | in men, the time between ejaculation and another erection |
| sex | in the most narrow sense, a biological function involving genital intercourse or orgasm |
| sexuality | feelings of sexual desire, sexual expression, sexual activity |
| urogenital atrophy | reductions in the elasticity and lubricating abilities of the vagina |
| widow(er)'s syndrome | sexual dysfunction following a long period of abstinence due to a spouse's illness and/or death |
