FSH acts on which organ to promote follicle development?

• A. Ovary
• B. Testis
• C. Uterus
• D. Cervix

Answer: (A)

FSH stimulates follicle development in the ovary. It acts on granulosa cells within developing ovarian follicles, promoting their growth and increasing the production of estrogens via aromatase. This rise in estrogen supports further follicular maturation and prepares the reproductive tract for potential pregnancy. While FSH also influences Sertoli cells in the testes to support spermatogenesis, the effect responsible for follicle growth is specific to the ovary, not the uterus, cervix, or testes.