BNNS502 - Male Reproductive
System Study Set Exam
tissue type, location and function of scrotum - Answer skin and connective tissue,
located at base of penis. midline septum divides scrotum for each testi. regulates
temperature of the testes (2-3 degrees cooler than body temp)
function of cremaster muscle - Answer pulls testes closer to pelvic floor
anatomy of internal testes - Answer divided into lobules, lobules contain seminiferous
tubules.
tissue type and function of seminiferous tubules - Answer smooth muscle, push sperm
and testicular fluid towards epididymous
what two cell types inhabit seminiferous tubules - Answer spermatogenic (germ cells)
and sustentacular
what is spermatogenesis and what two hormones facilitate this - Answer formation of
sperm cells by meiosis in seminiferous tubules in lobules of testes (starts abt 14yo and
200-400 million sperm produced p/d). follicular stimulating hormone and testosterone
functions of sustentacular cells (3) - Answer provide nutrients and support of
germ/sperm cells, produce testicular fluid, control release of sperm into lumen of
seminiferous tubule
sperm cell anatomy (4) - Answer acrosome - enzyme filled cap structure on top of head
head/nucleus - flattened and pointed with 23 chromosomes
midpiece - contains mitochondria to provide energy for tail
tail - propels sperm
What does Gondatropin releasing hormone do - Answer released from hypothalamus to
anterior pituitary gland, stimulates release of FSH and LH.
what roles do FSH and LH have in spermatogenesis - Answer FSH - stimulates
spermatogenesis
LH - releases testosterone from interstitial cells
3 functions of testosterone - Answer male sex organs (maintenance, development,
functioning, growth)
protein synthesis, sperm maturation, bone growth
System Study Set Exam
tissue type, location and function of scrotum - Answer skin and connective tissue,
located at base of penis. midline septum divides scrotum for each testi. regulates
temperature of the testes (2-3 degrees cooler than body temp)
function of cremaster muscle - Answer pulls testes closer to pelvic floor
anatomy of internal testes - Answer divided into lobules, lobules contain seminiferous
tubules.
tissue type and function of seminiferous tubules - Answer smooth muscle, push sperm
and testicular fluid towards epididymous
what two cell types inhabit seminiferous tubules - Answer spermatogenic (germ cells)
and sustentacular
what is spermatogenesis and what two hormones facilitate this - Answer formation of
sperm cells by meiosis in seminiferous tubules in lobules of testes (starts abt 14yo and
200-400 million sperm produced p/d). follicular stimulating hormone and testosterone
functions of sustentacular cells (3) - Answer provide nutrients and support of
germ/sperm cells, produce testicular fluid, control release of sperm into lumen of
seminiferous tubule
sperm cell anatomy (4) - Answer acrosome - enzyme filled cap structure on top of head
head/nucleus - flattened and pointed with 23 chromosomes
midpiece - contains mitochondria to provide energy for tail
tail - propels sperm
What does Gondatropin releasing hormone do - Answer released from hypothalamus to
anterior pituitary gland, stimulates release of FSH and LH.
what roles do FSH and LH have in spermatogenesis - Answer FSH - stimulates
spermatogenesis
LH - releases testosterone from interstitial cells
3 functions of testosterone - Answer male sex organs (maintenance, development,
functioning, growth)
protein synthesis, sperm maturation, bone growth
