3.2 Gametogenesis Flashcards
1
Q
2 functions of the blood testis barrier/ Sertoli cell barrier
A
- prevent autoimmune response to spermatozoa
- provide different cellular environments for germ cells and spermatozoa
2
Q
what is in the basal compartment of seminiferous tubules; what’s in adluminal compartment
A
basal: germ cells
adluminal: spermatozoa
3
Q
function of retentions testis
A
concentrate spermatozoa
4
Q
when do sperm become motile?
A
epididymis
5
Q
what is atresia of oogonia
A
checking, dispose of any dodgy ones
6
Q
how many chromatids and chromosome in primary oocytes when they pause in prophase of meiosis 1
A
chromatids- 92
chromosomes- 46
7
Q
how long does it take a fertilised oocyte to reach uterine lumen?
A
3-4 days
