Sperm MotilitySpermatozoaSemenSemen PreservationSperm CountSemen AnalysisSperm HeadInfertility, MaleAcrosomeEpididymisEjaculationSperm TailSperm MaturationSperm TransportAsthenozoospermiaSperm CapacitationCryopreservationAcrosome ReactionFertilizationFertilityTestisInsemination, ArtificialOligospermiaSperm-Ovum InteractionsZona PellucidaSpermatogenesisCryoprotective AgentsGastrointestinal MotilitySperm MidpieceSeminal Vesicle Secretory ProteinsSperm Injections, IntracytoplasmicFertilization in VitroSeminal Plasma ProteinsSperm BanksFallopian Tubesalpha-ChlorohydrinVasectomyCervix MucusGenitalia, MaleAcrosinContraceptive Agents, MaleFlagellaCattleSpermatidsSperm AgglutinationAntelopesInsemination, Artificial, HomologousFreezingPovidoneSeminal VesiclesPregnancySperm Immobilizing AgentsVaricoceleOvumProtaminesOocytesSwineSea UrchinsEgg YolkSperm RetrievalAcinonyxPregnancy RateChromomycin A3TestosteroneMasturbationMesocricetusInseminationCell MembraneCell MovementChlorohydrinsReproductionDNA FragmentationSpecimen HandlingPentoxifyllineChlortetracyclineIonophoresTime FactorsMicroinjectionsSeminiferous TubulesCell SurvivalSex PreselectionCalciumCricetinaeSexual AbstinenceMicroscopy, ElectronY ChromosomeAnimals, ZooScrotumHorsesInfertilitySpermatocidal AgentsCalcimycinAzoospermiaGlycerolHypotonic SolutionsBody FluidsPeanut AgglutininMicroscopy, Phase-ContrastSheepInsemination, Artificial, Heterologous