vocab | meaning |
bulbourethral gland | one of a pair or exocrine glands near the male urethra |
cowper gland | bulbourethral gland |
ejaculation | ejection of sperm and fluid from the male urethra |
ejaculatory duct | tube through which semen enters the urethra |
epididymis | one of a pair of long, tightly coiled tubes lying on top of each testis |
erectile dysfunction | inability of an adult male to achieve an erection |
flagellum | hair-like projection on a sperm cell that makes it motile |
fraternal twins | tow infants born of the same pregnancy from two seperate ova fertilized by two different sperm |
glans penis | sensitive tip of the penis |
identical twins | two infants resulting from division of one fertilized egg into two distinct embryos |
impotence | erectile dysfunction |
interstitial cells of the testis | cells that lie between the seminiferous tubules and produce the hormone testosterone |
parenchyma | tissue composed of the essential cells of any organ |
perineum | area between the anus and scrotum in the male |
prepuce (foreskin) | skin covering the tip of the penis |
prostate gland | gland, in men at the base of the urinary bladder that secretes a fluid into the urethra during ejaculation |
scrotum | external sac that contains the testes in men |
semen | spermatozoa and fluid (prostatic and other glandular secretions) |
seminal vesicle | either of paired sac-like male glands that secrete a fluid into the vas deferens |
seminiferous tubules | narrow, coiled tubules that produce sperm in the testes |
spermatozoon | sperm cell |
sterilization | any procedure rendering an individual incapable of reproduction |
stroma | supportive, connective tissue of an organ, as distinguished from the parenchyma |
testis | male gonad that produces spermatozoa and the hormone testosterone |
testosterone | hormone secreted by the interstitial tissue of the testes |
vas deferens | marrow tube (one on each side) that carries sperm from the epididymis into the body toward the urethra |