Seminiferous TubulesTestisSertoli CellsSpermatogenesisSeminiferous EpitheliumSpermatogoniaSpermatidsKidney Tubules, ProximalSpermatozoaLeydig CellsKidney TubulesRete TestisBlood-Testis BarrierEpididymisCryptorchidismSperm CountOrchitisSpermatocytesMalpighian TubulesTestosteroneOrgan SizeInfertility, MaleKidney Tubules, DistalSexual MaturationGerm CellsTesticular DiseasesAntispermatogenic AgentsGenitalia, MaleTransilluminationFollicle Stimulating HormoneOrnipressinKidney Tubules, CollectingAndrogen-Binding ProteinSeminal VesiclesFertilityRats, Sprague-DawleyImmunohistochemistryVasectomyHistocytochemistryDibutyl PhthalateMicroscopy, ElectronInhibinsSperm MotilityBody FluidsLuteinizing HormoneRats, WistarRats, Inbred StrainsToxicity TestsSpermatic Cord TorsionRNA, Messenger3-Hydroxysteroid DehydrogenasesSpermatic CordTestosterone PropionateCell CountTesticular NeoplasmsTime FactorsIn Situ Nick-End LabelingAtrophyScrotumCells, CulturedTissue DistributionMeiosisDisorders of Sex DevelopmentHexanonesKlinefelter SyndromeMice, Inbred C57BLKidneyIn Situ HybridizationAnimals, NewbornVas DeferensOligospermiaMesylatesBody WeightVasotocinNephronsHypophysectomyReproductionBasement MembraneMolecular Sequence DataSperm RetrievalSciuridaeFluorescent Antibody TechniqueMice, TransgenicReverse Transcriptase Polymerase Chain ReactionOrchiectomyApoptosis