Da lady bits Flashcards
What is the germinal epithelium
covers surface of ovary
What is the ovarian cortex
Ovarian follicles and stormal cells
What is the ovarian medulla
blood vessels, lymph, nerves
When do you start to form the egg cells in the ovary
prenatal
What do the ovarian follicles do
Secrete estrogens
What does the corpus lutem do
Produces progesterones, inhibins, estrogen, and relaxin
What is the earliest stage of follicular development
primordial follicle
What happens when the primordial follicles develop into primary follicles
Primary oocyte surrounded by granulosa cells
Zona pellucida forms
Stromal cells organize into thecal layer
What happens when primary follicles develop into secondary
granulosa cells excrete follicular fluid
Theca splits into theca interna and externa
What does LH act on
thecal cells
Cells produce testosterone from cholesterol
What does FSH act on
Granulosa cells
Takes testosterone and converts it to estradiol
What does estrogen normally do to LH and GnRH levels
Inhibit
What happens when estrogen levels rise during ovulation
estrogen becomes stimulatory to LH and GnRH
Leads to LH surge
What is the corpus luteum
If oocyte is not fertilized, corpus luteum is transitory
What does the corpus luteum become if the oocyte is not fertilized
Corpus albicans
