Female Reproductive System Flashcards
At what stage does germ cells from he yolk sac invade the ovaries and proliferate by mitosis to form oogonia?
Week 6
What is the process called when a loss of oogonia and oocytes is by an apoptosis- based process
Atresia
How are primary follicles defined?
By a single layer of cuboidal granulosa cells
What is formed when the inner layers of the adjacent stroll cells undergo an epithelia transformation?
Theca Interna
The outer layer of the follicle forms?
Theca Externa
Where does vascularisation occur?
Theca Interna
What do granulosa cells express receptors for?
FSH
What do the theca internal cells express receptors for?
LH from the anterior pituitary gland
What does the theca internal cells produce?
Androgens that diffuse across the basal lamina are converted to oestrogen by the granulosa cells
What is a space filled with follicular fluid?
Antrum
What is the largest follicle called?
Graafian follicle
What is the mound of cells extending from the wall of the follicle and surrounding the oocyte?
Cumulus oophorus
What steroids are related by the ovaries?
Oestrogen and progesterone
