EpididymisSpermatic Cord TorsionCryptorchidismTestisSperm MaturationTesticular DiseasesTesticular NeoplasmsEpididymitisOrchitisSpermatozoaScrotumOrchiectomyOrchiopexyVaricoceleSpermatogenesisInfertility, MaleTesticular HydroceleSperm MotilitySperm CountLithiasisGenitalia, MaleRete TestisAzoospermiaTestosteroneOligospermiaEpididymal Secretory ProteinsSexual MaturationOrgan SizeSpermatidsEjaculatory DuctsVas DeferensSperm TransportVasectomySeminal VesiclesHernia, InguinalHoloenzymesSeminiferous TubulesOocytesAndrogensBody FluidsRats, WistarTime FactorsSwinePregnancyCell DifferentiationSeminiferous EpitheliumImmunohistochemistryFertilitySertoli 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, ElectronMacaca radiataSperm-Ovum InteractionsAndrogen-Binding ProteinNuclease Protection AssaysIn Vitro Oocyte Maturation TechniquesGene Expression Regulation, DevelopmentalFlutamideFertilization in VitroLeydig CellsGenital Diseases, MaleAndrostane-3,17-diolLinuronBlotting, WesternIn Situ HybridizationGene Expression RegulationMice, Knockout