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Male sex hormones

Male sex hormones

Testosterone (TST) is the main male sex or reproductive hormone, which production takes place in the testicles. In particular, TST is secreted by Leydig cells as a response to LH action.

One of the main functions of TST is to stimulate the production of sperm in the Sertoli cells, a process that is regulated by FSH (follicle-stimulating hormone).

Also, Sertoli cells produce another hormone while spermatogenesis is taking place: inhibin. The action of inhibin is to send signals for the brain to stop the production of FSH, thereby creating a positive-negative feedback mechanism.

By MD (gynecologist), MD, FACOG, FACS, FACE (reproductive endocrinologist), BSc, MSc (embryologist) and BA, MA (fertility counselor).
Last Update: 06/07/2018
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