lom chapter 9 male reproductive systems Flashcards
male sex cell is called?
spermatozoon or sperm cell, tail consists of flagellum
fraternal twins come from?
the fertilization of separate ova by separate sperm cells are called fraternal twins
identical twins come from?
the fertilization of a single egg by a single sperm are called identical twins.
what hormone is responsible for bodily characteristics such as beard, deeper voice
testosterone
bulbourethral glands
Pair of exocrine glands near male urethra; Cowper glands
ejaculation
Ejection of sperm and fluid from male urethra
ejaculatory duct
Tube through which semen enters the male urethra
epididymis
One of a pair of long, tightly coiled tubes above each testis that stores and carries sperm to the vas deferens
erectile dysfunction
Inability of an adult male to achieve an erection; impotence
flagellum
Hair-like projection on a sperm cell that makes it motile
glans penis
Sensitive tip of the penis; comparable to the clitoris in the female
interstitial cells of the testes
Specialized cells adjacent to the seminiferous tubules in the testes; produce testosterone; also called Leydig cells
parenchymal tissue
Essential distinctive cells of an organ
penis
Male external organ of reproduction
perineum
External region between the anus and scrotum in the male