Androgenic Effects

The foremost reproductive role of testosterone is to stimulate sperm production. Activation of androgen receptors in Sertoli cells by testosterone stimulates and catalyzes the maturation and development of sperm through downstream target mechanisms that are poorly understood (16-19).

Testosterone also stimulates the development and function of the male accessory sex glands (prostate, seminal vesicles, and epididymides) that aid in sperm development and function, as well as copulation. Finally, testosterone stimulates the development of male secondary sex characteristics, such as the typical deeper male voice, increased body hair, penile growth, sex drive (libido), and male behavior patterns (17-20).

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