Folliculogenesis Flashcards
1
Q
A
A
Corpus albicans
2
Q
B
A
Antral follicle
3
Q
C
A
Early CL
4
Q
D
A
Small antral follicle
5
Q
E
A
Medullary vessels
6
Q
F
A
Corpus albicans
7
Q
What structure is shown here?
A
Primordial follicle
8
Q
What structure is shown here?
A
Primary follicle
9
Q
What structure is shown here?
A
Secondary follicle
10
Q
What structure is shown here?
A
Tertiary/antral follicle
11
Q
What is the corpus albicans and how does it form?
A
Regressed form of the corpus luteum
(a.k.a. atretic corpus luteum)
As the corpus luteum is being broken down by macrophages, fibroblasts lay down type I collagen, forming the corpus albicans.
12
Q
What are the two different stages of follicle growth and how long does each one take?
A
- Preantral phase - months
- Antral phase - days-weeks
13
Q
Which hormones are the different stages of follicle growth dependent on?
A
- Preantral phase is continuous (not gonadotrophin dependent)
- Antral phase growth is gonadotrophin dependent
14
Q
What are the phases of antral follicle growth?
A
- Recruitment of small antral follicles
- Selection - formation of medium follicles
- Dominance - large follicles estalish dominance
