Term
folliculogenesis begins with: recruitment of a primordial follicle into the pool of grwoing follicles Two phases: 1-preantral or gonadotropin independent 2- antral or (Graafian) or gonadotropin-dependent |
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Definition
1-Growth and differentiation of the oocyte controlled by locally produced growth factor(autocrine /paracrine) 2-The tremendous increase of the size of the follicle itself (up to approximately 25 mm) regulated by FSH,LH as well as growth factor |
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Term
The preantral or Class 1 phase is divided into three major stages: |
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Definition
the primordial, primary, and secondary follicle stages |
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Term
the development of a primordial to a full-grown secondary follicle requires ....days |
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Definition
290 days or about 10 regular menstrual cycles |
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Term
Antral phase is typically divided into four stages |
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Definition
the small (Class 2, 3, 4, 5), medium (Class 6), large (Class 7), and preovulatory (Class 8) Graafian follicle stages |
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Term
antrum formation occurs at the Class ... |
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Definition
class: 3 stage (~0.4mm in diameter), |
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Term
The time interval between antrum formation and the development of a 20 mm preovulatory follicle is about ... |
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Definition
60 days or about 2 menstrual cycles |
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Term
Atresia can occur after ... |
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Definition
the Class 1 or secondary follicle stage, with the highest incidence occurring in the pool of small and medium (Class 5, 6, and 7) Graafian follicles |
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