5.8 Female Reproductive Physiology Flashcards
A class 4 follicle requires how many days to grow and develop to the preovulatory stage
About 50 days
Atresia is common in what period of follicle development
Antral period
Primordial, primary, and secondary follicles are classified as
Preantral follicles
Dominant follicle of the cycle appears to be selected from what class of follicles
Class 5 follicles
Note: requires about 20 days to develop to the ovulatory stage
Recruitment occurs even before ______
Onset of the present menstrual cycle
What does the theca cell lack that’s the reason why it cant convert androsetenedione to eastradiol
Aromatase
Converts cgolesterol to pregnenolone
P450 scc
Major product of follicle in follicular phase
Estradiol
Major product of corpus luteum during luteal phase
Progesterone
A small primary oocyte arrested in the diplotene stage of meiosis
Primordial follicle
What provides nutrition to growing oocytes
Granulosa cells
T/F Primordial follicle has an independent blood supply
False- DOES NOT HAVE an independent blood supply
Most number of primordial follicles are seen during
Midgestation
As a woman ages, primordial follicles ______ in number
Decrease
Primordial follicles —>
Primary follicles
Transition hallmark of primordial follicle to primary follicle
- From squamous to cuboidal
2. Acquisition of mitotic potential in the granulosa cells
Functional unit of the ovary
Ovarian follicle
When the antrums are produced, the follicles become dependent on __
Gonadotropins