Ch 9 Male Reproductive System Flashcards
The male sex cell is called a __________
spermatozoon (sperm cell)
What part of the sperm is the chromosomes (hereditary material) located?
Head region (lol)
What is the tail part of a sperm that makes it mobile called?
Flagellum
Twins that result from the fertilization of separate ova by separate sperm cells are called _________
fraternal twinsTw
twins resulting from the fertilization of a single egg by a single sperm are called _________
identical twins
What hormone is responsible for the bodily characteristics of the male (beard, facial hair, deep voice, pubic hair)
testosterone
Why is there 1 artery in the pee pee area?
lowers body temp to help sperm live
sperm are formed in the _________
seminiferous tubules
Passage of sperm route… (6)
(this is a long one )
- seminiferous tubules
- epididymis
- vas deferens
- ejaculatory duct
- urethra
- penis
What is the pair of exocrine glands near the male urethra (cowper glands)
bulbourethral glands
The ejection of sperm and fluid from male urethra is called _______
ejaculation
Tube through which semen enters the male urethra _______
ejaculatory duct
One pair of long, tightly coiled tubes above each testis that stores and carried sperm to the vas deferens is ___________
epididymis
Inability of an adult male to achieve an erection
Erectile dysfunction (impotence)
Sensitive tip of the penis
(basically the clit lol)
glans penis
Specialized cells adjacent to the seminiferous tubules in the testes, produce testosterone, (leydig cells)
interstitial cells of the testes
Essential distinctive cells of an organ are called _______
parenchymal tissue
male external organ of reproduction
penis
External area between the anus and scrotum in the male
perineum
Foreskin; fold of skin covering the tip of the penis
prepuce
Exocrine gland at base of male urinary bladder, secretes fluid part of semen into urethra during ejaculation
prostate gland
external sac that contains the testes
scrotum
Spermatozoa and seminal fluid discharged from the urethra during ejaculation
semen
Paired sac like exocrine glands that secrete fluid into the vas deferens
seminal vesicles