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Prabha Jani
Asked: 2022-11-07T21:54:11+05:30 In:

Inhibin is secreted by:
1. Corpus luteum
2. Stroma
3. Leydig cells
4. Surface epithelium

Inhibin is secreted by:
1. Corpus luteum
2. Stroma
3. Leydig cells
4. Surface epithelium
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1 Answer

  1. Correct Answer – Option 1 : Corpus luteum

    Explanation

    • Inhibin is a gonadal hormone that has a negative role in the secretion of FSH from the pituitary.
    • The activin and Inhibin hypothesis was formulated in the late 1970s.

     Secretion

    • In females, it is secreted by the Corpus luteum, placenta, gonads and pituitary. 
    • In males, it is secreted by Sertoli cells in the testes. 

    Action

    • Inhibits FSH production. The exact mechanism is unknown.
    • Regulates spermatogenesis.
    •  Elevated inhibin A suggests a fetus with down syndrome. 
    • Inhibin A is a marker in the diagnosis of ovarian cancer.
    • Positive test for Inhibin B in males suggestive of azoospermia.
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