Sperm CountSperm HeadSpermatozoaInfertility, MaleSperm MotilitySemenSemen AnalysisFertilityScrotumSpermatogenesisTestisSperm-Ovum InteractionsSperm CapacitationFertilizationAcrosomeAsthenozoospermiaOligospermiaSperm Injections, IntracytoplasmicEjaculationAcrosome ReactionEpididymisSeminal Plasma ProteinsSperm TailPregnancy RateSperm MaturationFertilization in VitroSperm TransportPregnancySperm MidpieceTestosteroneSperm BanksSemen PreservationZona PellucidaSperm WhaleCryopreservationOvumProtaminesInsemination, ArtificialSea UrchinsOocytesEgg ProteinsAzoospermiaSexual Behavior, AnimalFallopian TubesSeminal Vesicle Secretory ProteinsVasectomyCryoprotective AgentsWhalesReproductionInseminationVitelline MembraneGenitalia, MaleMicroinjectionsDNA FragmentationCopulationReproductive TechniquesAneuploidyOviductsReproductive Techniques, AssistedContraceptive Agents, MaleZygoteCattlePovidoneChromomycin A3Y ChromosomeEpididymal Secretory ProteinsCervix MucusVasovasostomyChromatinCell MembraneInsemination, Artificial, HomologousGenitalia, FemaleMeiosisInsemination, Artificial, HeterologousSwineSeminiferous TubulesInfertilityEchinodermataTesticular DiseasesMicroscopy, ElectronIn Situ Hybridization, FluorescenceMolecular Sequence DataPregnancy OutcomeFlagellaChromosomes, Human, YFreezingCalciumIonophoresSpecies SpecificityAcridine OrangeContraception, ImmunologicSex RatioUrochordataVaccines, ContraceptiveTime FactorsAmino Acid SequenceSeminal Vesiclesalpha-ChlorohydrinMice, Inbred ICREmbryonic Development