EcdysteroneTestosteroneContraceptive Agents, MaleTestosterone CongenersHypogonadismSpermatogenesis-Blocking AgentsNandroloneInjections, IntramuscularAndrogensDrosophila melanogasterHeat-Shock ProteinsVasospasm, IntracranialOxyhemoglobinsAdministration, OralTestosterone PropionateHot TemperatureOrchiectomyDihydrotestosteroneTestisSex Hormone-Binding GlobulinLuteinizing HormoneGene Expression RegulationEstradiolKineticsGonadal Steroid Hormones