spermatogenesis and oogenesis Flashcards
1
Q
what differentiates into mature sperm? what are mature sperm called?
A
spermatid/ spermatozoon
2
Q
proliferation of oogona goes through to when?
A
fifth month
3
Q
how many oogonia are made during mitosis in fetal development?
A
seven million
4
Q
what happens when mitosis stops?
A
natural degeneration or atresia, which goes on until menopause
5
Q
what has happened to oogonia by seventh month?
A
either degenerated or diferentiated into primary oocytes.
6
Q
what are primary oocytes surrounded by?
A
follicular cells.
7
Q
how many primary oocytes exist postnatally? by puberty how many are there?
A
2 milllion/ 40,000
8
Q
how many oocytes will a woman ovulate in a lifetime?
A
about 500
