What is the main effect of inhibin released by Sertoli cells?
Correct answer: A. It reduces secretion of follicle-stimulating hormone
- A. It reduces secretion of follicle-stimulating hormone
- B. It increases secretion of luteinizing hormone
- C. It stimulates testosterone release from Leydig cells
- D. It causes contraction of the seminiferous tubules
Explanation
Inhibin provides negative feedback mainly by reducing FSH secretion, helping regulate sperm production. LH stimulates Leydig cells, whereas testosterone release and tubule contraction are not the main actions of inhibin.
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About Reproductive System
The reproductive system covers the male and female reproductive organs, gamete formation, the menstrual and ovarian cycles, fertilization, implantation and pregnancy. It explains the roles of FSH, LH, oestrogen, progesterone and testosterone, while distinguishing spermatogenesis from oogenesis and the reproductive organs from the accessory glands.
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