testosterone male sex hormone androgen molecule. skeletal formula.

testosterone male sex hormone androgen molecule skeletal formula testosteron steroid droid testicle anabolic receptor androgenic penis scrotum beard sexual arousal behavior risk aggression criminality virility manly macho replacement therapy doping performance enhancing drug agent abuse finasteride 5alpha reductase inhibitor alopecia baldness prostate carbon hydrogen oxygen atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon