Testis

Tissue Reproductive

Makes testosterone and sperm, and needs LH and FSH from the pituitary to do either. Cut that signal and it shrinks and goes quiet.

Relationships

2 connections

Testis expressed in

Androgen Receptor

The receptor every anabolic-androgenic steroid is designed to hit. Binding moves it into the nucleus where it switches on genes for muscle protein synthesis, and in other tissues for hair loss, prostate growth and oil production.

Testis stimulates

Sperm Production

Needs FSH plus a testosterone concentration inside the testis roughly a hundred times blood level. External steroid raises blood level and shuts the internal one down, which is why fertility goes first.

Beyond this page

Testis also connects to 1 entry in the applied modules, covering supplements, compounds, hormones and food sources. Those carry the mechanism and the evidence tier behind each link, and they are part of client coaching.

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