ID 299858395 © Shimanovichs | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
dihydrotestosterone androstanolone dht 5iplusmn stanolone endogenous androgen sex steroid hormone prostate body hair molecule molecular structure chemical formula 3d model c19h30o2 atom compound chemistry biology medicine science atomic skeletal anabolic scientific androgenic reductase medical drug health androstan dihydrotestosteron pharmacy laboratory biochemistry metabolism doping organic 5areductase testosterone carbon