SpermatogenesisTestisSpermatozoaSperm CountSperm HeadSperm CapacitationRete TestisSperm MaturationEpididymisInfertility, MaleSperm TransportSertoli CellsSperm-Ovum InteractionsAcrosomeSperm Injections, IntracytoplasmicFertilizationSemenCryptorchidismSperm MidpieceSperm BanksLeydig CellsSemen PreservationFertilitySemen AnalysisZona PellucidaSpermatidsEjaculationSpermatogoniaOligospermiaTesticular DiseasesTestosteroneMolecular Sequence DataCryopreservationGenitalia, MaleSeminiferous EpitheliumSperm WhaleTesticular NeoplasmsSpermatocytesProtaminesOrgan SizeAmino Acid SequenceOvumSeminal Plasma ProteinsGerm CellsBase SequenceScrotumRNA, MessengerAzoospermiaAsthenozoospermiaReproductionSexual MaturationVasectomyOocytesInsemination, ArtificialOrchitisPregnancySea UrchinsImmunohistochemistrySexual Behavior, AnimalSeminal VesiclesTissue DistributionSpermatic Cord TorsionEgg ProteinsY ChromosomeMeiosisTime FactorsOrgan SpecificityFollicle Stimulating HormoneCattleRats, Sprague-DawleyCloning, MolecularContraceptive Agents, MaleDNA, ComplementarySex DifferentiationOvaryReverse Transcriptase Polymerase Chain ReactionOrchiectomySeminal Vesicle Secretory ProteinsSex Determination ProcessesBlood-Testis BarrierSpecies SpecificitySwineFallopian TubesGene ExpressionMicroscopy, ElectronCopulationInseminationGene Expression Regulation, DevelopmentalMice, Inbred C57BLSequence Homology, Amino AcidIn Situ HybridizationBlotting, WesternMicroinjectionsCryoprotective AgentsLuteinizing HormoneGonadsDNAWhalesBlotting, NorthernSex-Determining Region Y Protein