Labelled Testosterone, which is secreted by the testis and is converted to dihydrotestosterone in the target tissue where is appears to mediate many of the biological actions of testosterone.
CONTROLLED SUBSTANC
Labelled Testosterone (T155000). Principal hormone of the testes, produced by the interstitial cells. Major circulating androgen; converted by 5α-reductase in androgen-dependent target tissues to 5α-dehydrotestosterone which is required for normal male sexual differentiation. Also converted by aromatization to Estradiol.
Controlled substance (anabolic steroid). Androgen.
