Insulin, Regular, HumanTestosteroneGrowth HormoneHuman Growth HormoneHypogonadismLuteinizing HormoneHormonesFollicle Stimulating HormoneReceptors, SomatotropinTestisGonadal Steroid HormonesAndrogensSex Hormone-Binding GlobulinGonadotropin-Releasing HormoneEstradiolOrchiectomyProlactinGrowth Hormone-Releasing HormoneTestosterone PropionatePituitary GlandHormone Replacement TherapyInsulin-Like Growth Factor IThyroid HormonesDihydrotestosteroneOrgan SizeGrowth DisordersAndrostenedioneCastrationDwarfism, PituitaryDehydroepiandrosterone SulfateRadioimmunoassaySexual MaturationHypophysectomyLeydig CellsLibidoSpermatogenesisSex CharacteristicsVirilismHydrocortisoneSperm CountSexual Behavior, AnimalHirsutismPituitary HormonesReceptors, AndrogenParathyroid HormoneBody WeightAdrenocorticotropic HormoneAgingProgesteronePubertyFlutamideChorionic GonadotropinLeuprolideAcromegalyPeptide HormonesTime FactorsPituitary Gland, Anterior17-alpha-HydroxyprogesteroneGenitalia, MalePolycystic Ovary SyndromeDehydroepiandrosteroneEstrogensTriiodothyronineAndrogen AntagonistsReproductionReceptors, Thyroid HormoneGonadotropins, Pituitary3-Oxo-5-alpha-Steroid 4-DehydrogenaseSteroidsReceptors, GhrelinProstateHypopituitarismVaccines, DNAHyperandrogenismRNA, MessengerTestosterone CongenersEpitestosteroneRats, Sprague-DawleyInsulinGhrelinGonadotropinsComb and WattlesPituitary NeoplasmsAndropausePregnancyErectile DysfunctionAromatasePlacental LactogenSertoli Cells17-Hydroxysteroid DehydrogenasesDwarfismInhibinsOvaryProstatic NeoplasmsCryptorchidismPaternal BehaviorAdministration, CutaneousDrug ImplantsSeminiferous TubulesEstrone