| A | B |
| amenorrhea | absence of menstruation. |
| clitoris | erectile tissue of the female reproductive system that becornes engorged during sexual excitation. |
| ductus deferens | a major duct of the male reproductive system that carries semen from the epididymis b the urethra; AKA the vas deferens. |
| dyspareunia | abnormal pain dunng sexual intercourse. |
| epididymis | a comma-shaped structure located on the top and behind each testis inside the scrotum where sperm are stored as they mature until they are ejaculated or disintegrate. |
| gonads | primary reproductive organs: ovaries in the female, testes in the male. |
| menarche | the first episode of menstrual bleeding, indicating a female has reached puberty. |
| menopause | a monthly shedding of the uterine endometrial lining when an egg is not fertilized at ovulation; process is mediated by the hormonal activity of the hypothalamus, the pituitary, gland, and the ovaries. |
| mons pubis | a fatty layer lying over the pubic bone |
| nulliparous | never having given birth. |
| spermatogenesis | formation of sperm. |
| nulliparity | never having given birth. |
| multiparous | have given multiple births. |