Menstrual cycle Flashcards
1
Q
Hormone secreting cells of the ovary
A
Theca (outer) and granulose (inner) cells
2
Q
What converts androstenedione to 17-B-estradiol
A
aromatase expressed by granulose cells
3
Q
Graafian follicle?
A
Dominant follicle, most sensitive to FSH, the one that gets ruptured in ovulation
4
Q
Female analog of Sertoli’s cells
A
Granulosa cells
5
Q
Granulosa cells vs theca cells
A
Granulosa cells respond to FSH and encourage growth of 15-20 follicles. They produce aromatase which converts androgens to estradiol.
LH-responsive theca cells produce androgens, which can be converted lo estrogen by the granulosa cells.
