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Topic: Endocrine glands and hormones, mechanism of action· Human Physiology

Identify the correct statement on 'inhibin' :

1. Inhibits the secretion of LH, FSH and Prolactin.

2. Is produced by granulose cells in ovary and inhibits the secretion of FSH.

3. Is produced by granulose cells in ovary and inhibits the secretion of LH.

4. Is produced by nurse cells in testes and inhibits the secretion of LH.

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Answer: 2. Is produced by granulose cells in ovary and inhibits the secretion of FSH.

Key idea: Inhibin is made by the granulosa cells of the ovary (and Sertoli cells in males) and inhibits FSH secretion.

It does not act on LH or prolactin. In option (4), 'nurse cells' are Sertoli cells, but inhibin inhibits FSH rather than LH. So (2) is correct.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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