Sustentacular cells produce the hormone inhibin that inhibits FSH secretions,which reduces sperm production.

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Sustentacular cells in the testes produce the hormone inhibin which inhibits the secretion of the follicle stimulating hormone (FSH) from the pituitary gland. FSH is needed for the production and maturation of sperm cells, so a reduction in FSH levels due to inhibin leads to a decrease in sperm production.

Sustentacular Cells Produce the Hormone Inhibin That Inhibits FSH Secretions,which