What is the primary function of the hormone inhibin in the context of reproductive physiology?

A Stimulate follicular development
B Inhibit follicular development ✓
C Regulate sperm production
D Maintain pregnancy

Explanation

Inhibin is a hormone produced by the granulosa cells in the ovaries and by the Sertoli cells in the testes, which inhibits the production of follicle-stimulating hormone (FSH) by the pituitary gland, thus regulating follicular development.

Mnemonic

Inhibin = Inhibit

Source

Guyton and Hall Textbook of Medical Physiology
Hormones and Endocrine Markers Reproductive Endocrinology Ovarian Hormones Medium MEDICAL Confidence: high