TestosteroneHypogonadismTestisSex Hormone-Binding GlobulinAndrogensLuteinizing HormoneOrchiectomyTestosterone PropionateGonadal Steroid HormonesEstradiolFollicle Stimulating HormoneDihydrotestosteroneDehydroepiandrosterone SulfateOrgan SizeLibidoAndrostenedioneSpermatogenesisLeydig CellsGonadotropin-Releasing HormoneCastrationVirilism