Question
Bring out the differences between secondary and tertiary follicles.
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Answer
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S. No.
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Secondary follicle
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Tertiary follicle
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1.
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When the primary follicle containing the primary oocyte becomes surrounded by more layers of granulosa cells and a thecal layer, it is called a secondary follicle.
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When a fluid-filled cavity develops around the oocyte in the secondary follicle, it is called tertiary follicle.
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2.
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The oocyte shows little growth.
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The primary oocyte grows in size and completes meiosis I to form secondary oocyte and first polar body.
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