Hormone inhibin is produced by:
Correct answer: D. Sertoli cells
- A. Hypothalamus
- B. Pituitary gland
- C. Prostate
- D. Sertoli cells
Explanation
The correct answer is Sertoli cells. Inhibin is produced by Sertoli cells within the testes and is part of the transforming growth factor-beta (TGF-β) superfamily. It plays a key role in regulating spermatogenesis by providing negative feedback to the anterior pituitary gland to suppress FSH secretion, preventing excessive sperm production. Additionally, inhibin is involved in ovarian function regulation. The hypothalamus, pituitary gland, and prostate do not produce inhibin; their roles are distinct in the endocrine system.
This question appeared on the ETEA MDCAT 2016 paper, which you can sit online with every answer explained.
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About Human Reproductive System
The human reproductive system includes the male and female organs that produce gametes, secrete sex hormones and support fertilization and development. Questions cover the testes, ovaries, reproductive ducts, menstrual and ovarian cycles, ovulation, fertilization, implantation, placenta formation and the roles of FSH, LH, oestrogen, progesterone and testosterone.
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