CorticosteroneTestosteroneAdrenocorticotropic HormoneAdrenalectomyHypothalamo-Hypophyseal SystemPituitary-Adrenal SystemTestosterone PropionateAdrenal GlandsRestraint, PhysicalAndrogensHypogonadismOrchiectomyStress, PhysiologicalDihydrotestosteroneLuteinizing HormoneTestisSex Hormone-Binding GlobulinMetyraponeEstradiolGonadal Steroid HormonesEpitestosteroneRats, Sprague-DawleyCorticotropin-Releasing HormoneReceptors, GlucocorticoidCastrationOrgan SizeDrug ImplantsAndrostenedioneFollicle Stimulating HormoneMifepristoneStress, PsychologicalRadioimmunoassayTranscortinRats, WistarGlucocorticoidsBody WeightDehydroepiandrosteroneSteroidsReceptors, MineralocorticoidHormonesProgesteroneSex CharacteristicsAdrenal CortexFlutamideHormone AntagonistsSexual MaturationHydrocortisone11-beta-Hydroxysteroid DehydrogenasesBehavior, Animal3-Oxo-5-alpha-Steroid 4-DehydrogenaseTestosterone CongenersPituitary GlandReceptors, AndrogenSexual Behavior, AnimalParaventricular Hypothalamic NucleusAnalysis of VarianceCircadian RhythmHypothalamusHydroxysteroid DehydrogenasesProlactinHydroxyprogesteronesDexamethasoneTime FactorsRats, Inbred Strains17-KetosteroidsSteroid 11-beta-HydroxylaseGonadotropin-Releasing HormoneHormone Replacement TherapyDose-Response Relationship, DrugHandling (Psychology)Dehydroepiandrosterone SulfateSpermatogenesisAldosteroneSwimming17-alpha-HydroxyprogesteroneAgingRNA, MessengerEtherHypophysectomyAndrogen AntagonistsChorionic Gonadotropin11-beta-Hydroxysteroid Dehydrogenase Type 2AromataseProstateLibidoHirsutismNeurosecretory SystemsAndrostanesVirilismPro-OpiomelanocortinHippocampusAdrenal Cortex HormonesGenitalia, MaleCyproterone3-Hydroxysteroid DehydrogenasesAnimals, NewbornSperm Count11-beta-Hydroxysteroid Dehydrogenase Type 1Gonadotropins, PituitaryCortodoxone