| A | B |
|---|
| abdomen | the body cavity where gonads develop into testes in males |
| acrosome | the covering on the head of sperm that contains an enzyme which aids in penetrating the egg |
| bulbourethral glands | Also called Cowper's glands (#7): 2 pea-shaped glands that secrete an alkaline precoital fluid |
| castration | removal of the gonads (testes) |
| circumcision | a surgical procedure in which the foreskin of the penis is removed |
| cryptorchidism | condition where testes do not descend into the scrotum; it causes sterility. |
| climacteric | the decline of sexual activity in older males |
| Cowper's glands | the same as the bulbourethral glands (2 pea-shaped glands that secrete an alkaline precoital fluid) |
| ejaculation | the male discharge of semen |
| ejaculatory duct | anatomical junction of vas deferens, duct of seminal vesicles, male urethra |
| epididymis | It connects the testes with the vas deferens (look at your diagram). |
| erection | the enlarged, rigid state of the penis due to engorging of erectile tissue with blood |
| eunuch | a castrated male (his testes have been removed) |
| follicle stimulating hormone (FSH) | the hormone released by the pituitary to stimulate the gonads (testes) to being sperm production |
| foreskin | a retractable fold of skin over the head of an uncircumcised penis |
| glans | the cone-shaped end of the penis |
| gonad | the sex glands; testes in males; the ovaries in the female |
| hernia | a rupture or a tear in the wall of a body cavity |
| hormone | a chemical produced in one part of the body that has its effect elsewhere in the body |
| hyaluronidase | an enzyme found in acrosome of sperm; aids in the penetration of the egg |
| hypothalamus | a gland which, at puberty, produces a hormone to initiate sexual maturation |
| inguinal hernia | a condition in which a loop of the intestine descends into the scrotum |
| milliliter | a measure of volume; one male ejaculation is about 3 mL and contains 360 million sperm |
| orgasm | a series of muscular contractions at the peak of sexual activity; responsible for ejaculation |
| penis | the male organ for copulation and urination |
| pituitary gland | the gland that produces LH and FSH |
| prepuce | another name for foreskin |
| prostate gland | a gland that surrounds ejaculatory duct and secretes one component of semen; site of cancer |
| retrograde ejaculation | ejaculation of semen into bladder due to damage of ejaculatory duct during prostate surgery |
| scrotum | sac-like structure of skin that contains and regulates the temperature of the testes |
| semen | fluid ejaculated at male orgasm; contains seminal fluids, prostate fluids and sperm |
| seminal vesicle | one of a pair of glands that secrete one component of the ejaculate; contains fructose |
| seminiferous tubules | tubules in the testes that produce sperm |
| smegma | the wax-like material that accumulates under the foreskin of an uncircumcised penis |
| spermatogenesis | the physiological process (meiosis) by which germ cells develop into sperm |
| spermatozoa | the mature sperm cells |
| testes | the male gonads; testicles |
| testosterone | the primary male sex hormone; it's responsible for primary and secondary sex characteristics |
| urethra | the canal (tube) from the bladder to external urethral opening; it carries urine and ejaculate |
| vas deferens | the tube that connects the epididymus to the ejaculatory duct |
| vasectomy | male sterilization in which the sperm ducts (vas deferentia) are cut and tied off |
