Flashcards in kumari 3.1 Deck (20):
what generates the male gametes?
what maintains male gametes in quiescent environment and proved vehicle for transport?
interal repro tract and accessory sex glands
what 2 things are required for a man's Y chromosome to gain motility?
fertility and power
where is the site of androgen biosynthesis in the testes?
leydig cells are where?
sertoli cells are where?
which cells are the supporting cells or nurse cells?
what do sertoli cells produce?
estradiol, DHT and inhibin
tight junctions or the zonula occludens between adjacent sertoli cells constitute what?
the blood-testis barrier
the germ cells in mitosis are in which compartment>
the germ cells in meiosis are in which compartment?
what is spermiation?
after spermiogenesis, sperm are released into the lumen of the seminiferous epithelium
T/F: the germs cells that began developing together will mature in synchrony?
wave of spermatogenesis is a concept in
the seminiferous epithelial cycle is a concept in
can the duration of spermatogenesis be altered by hormonal treatment, changes in temp, etc?
what are the spermatonial mitotic divisions controlled by?
germ cell:Sertolic cell ratio
what is the CEILING EFFECT for sperm output?
Sertoli cells can supposrt only a fixed number of germ cells
what is the optimal thermal environment for normal spermatogenesis?
32 degree C
-(~5 degrees C below body temp)