An androgen (from Greek andr-, the stem of the word signifying is any normal or manufactured steroid hormone that directs the turn of events and upkeep of male attributes in vertebrates by authoritative to androgen receptors.This incorporates the embryological improvement of the essential male sex organs, and the advancement of male optional sex qualities at pubescence. Androgens are blended in the testicles, the ovaries, and the adrenal organs.