Question
Graafian follicle.
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Answer
- Graafian follicle is a mature ovarian follicle.
- There are following protective layers on the Graffian follicle : The outermost protective and fibrous covering, theca externa. Theca interna is the next layer which can secrete hormone estrogen.
- Next to theca interna, there is membrana granulosa which forms discus proligerous and the corona radiata layer.
- Graafian follicle contains an eccentric secondary oocyte. The oocyte is surrounded by a vitelline membrane which produces zona pellucida layer.
- In the centre there is antrum which is filled with liquor folliculi fluid.
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