EML Chapter 7 Organs & Structures of the Male Reproductive System

testis

primary male sex organ, paired, oval-shaped, and enclosed in a sac called the scrotum

seminiferous tubules

approximately 900 coiled tubes within the testes in which spermatogenesis occurs

sperm

the microscopic male germ cell

testosterone

the principal male sex hormone

epididymis

coiled tube attached to each testis that provides for storage, transit, & maturation of sperm

vas deferens

tube carrying sperm from the epididymis to the urethra

seminal vesicles

two accessory glands located posterior to the base of the bladder that open into the vas deferens.

prostate gland

walnut-shaped gland that encircles the proximal section of the urethra.

semen

composed of sperm, seminal fluids, and other secretions

scrotum

sac containing the testes and their corresponding epididymides

penis

male organ of urination and coitus (sexual intercourse)

glans penis

enlarged tip on the end of the penis

prepuce

fold of skin covering the glans penis in uncircumcised males

genitalia

reproductive organs

gonads

primary reproductive organs; testes in males, ovaries in females