EpididymisSperm MaturationTestisSpermatozoaGenitalia, MaleRete TestisEpididymal Secretory ProteinsSexual MaturationEjaculatory DuctsEpididymitisVas DeferensSperm TransportVasectomySperm MotilitySeminal VesiclesSpermatogenesisSperm CountSeminiferous TubulesOrchiectomyTestosteroneOocytesAndrogensOrgan SizeBody FluidsTesticular DiseasesCell DifferentiationSeminiferous EpitheliumOrchitisInfertility, MaleImmunohistochemistryFertilitySertoli CellsRNA, MessengerSemenSeminal Plasma ProteinsTestosterone PropionateOogenesisMolecular Sequence DataEchidnaRats, Sprague-DawleySperm TailWolffian DuctsCells, CulturedVasovasostomyDendritic CellsMacropodidaeEjaculationSperm Headalpha-ChlorohydrinContraceptive Agents, MaleDihydrotestosteroneAmino Acid SequenceMice, Inbred C57BLCastrationEpitheliumBase SequenceTissue DistributionMeiosisbeta-DefensinsProstateCyproteroneAnimals, NewbornFertilizationAcrosomeReverse Transcriptase Polymerase Chain ReactionSpermatic CordMicroscopy, ElectronSpermatidsMacaca radiataSperm-Ovum InteractionsAndrogen-Binding ProteinNuclease Protection AssaysIn Vitro Oocyte Maturation TechniquesGene Expression Regulation, DevelopmentalFlutamideFertilization in VitroLeydig CellsGenital Diseases, MaleCryptorchidismAndrostane-3,17-diolLinuronBlotting, WesternIn Situ HybridizationGene Expression RegulationMice, KnockoutSpermatoceleScrotumGlycoproteinsTime FactorsReproductionGene ExpressionProteins3-Oxo-5-alpha-Steroid 4-DehydrogenaseAgingEpithelial CellsGlia Maturation FactorMembrane Proteins