TestosteroneAndrogensReceptors, AndrogenEstersAndrogen AntagonistsDihydrotestosteroneAndrogen Receptor AntagonistsTestosterone PropionateHypogonadismFlutamideTestosterone CongenersTestisProstatic NeoplasmsSex Hormone-Binding GlobulinAndrostenedioneLuteinizing HormoneEstradiolGonadal Steroid HormonesOrchiectomyCholesterol EstersAndrogen-Insensitivity SyndromeProstateMetriboloneEpitestosteroneDehydroepiandrosterone3-Oxo-5-alpha-Steroid 4-DehydrogenaseFollicle Stimulating HormoneAndrostane-3,17-diolCastrationNandroloneDehydroepiandrosterone SulfateCyproterone AcetateAromataseGonadotropin-Releasing HormoneSex CharacteristicsSexual MaturationOrgan SizeCholestenone 5 alpha-ReductaseGenitalia, MaleSteroid 17-alpha-HydroxylaseSeminal VesiclesHirsutismCyproteroneSteroidsSpermatogenesisDrug ImplantsEstrogensNeoplasms, Hormone-DependentHormone Replacement TherapyHyperandrogenismProgesterone5-alpha Reductase InhibitorsPolycystic Ovary SyndromeSexual Behavior, Animal17-alpha-Hydroxyprogesterone17-Hydroxysteroid DehydrogenasesAndrostanesSertoli CellsHormones3-Hydroxysteroid DehydrogenasesChorionic GonadotropinRadioimmunoassayLeuprolideEpididymisSex DifferentiationLibidoFinasterideNG-Nitroarginine Methyl EsterAnabolic AgentsSperm CountGonadotropins, PituitaryAndrogen-Binding ProteinRNA, MessengerEstroneContraceptive Agents, MaleOvaryNitrilesFeminizationGonadotropinsRats, Sprague-DawleyAzasteroidsSeminiferous TubulesVirilism17-KetosteroidsDose-Response Relationship, DrugAgingPituitary GlandCryptorchidismCholesterol Ester Transfer ProteinsMethyltestosteroneTime FactorsCell Line, TumorAndrostenediolAndropauseAndrosteroneProlactinInhibinsHydroxytestosteronesHydrocortisoneReproduction