Sperm TailSperm Injections, IntracytoplasmicSperm HeadSpermatidsOligospermiaSpermatozoaMicroinjectionsFertilization in VitroInfertility, MaleEmbryo TransferTestisCryopreservationOocytesPregnancyTailSperm MotilityPregnancy OutcomeSperm CountSperm CapacitationCytoplasmInjectionsSperm MaturationEpididymisSperm-Ovum InteractionsAcrosomeSpermatogenesisSeminal Plasma ProteinsFertilizationSperm MidpieceMicroscopy, ElectronSemen PreservationReproductive Techniquest-Complex Genome RegionPregnancy RateFertilityEjaculationSemenMolecular Sequence DataMicromanipulationAcrosome ReactionSperm TransportSperm RetrievalAmino Acid SequenceInsemination, ArtificialSea UrchinsZona PellucidaDyneinsSemen AnalysisEmbryo ImplantationMicrotubulesFluorescent Antibody TechniqueInjections, IntravenousCleavage Stage, OvumInclusion BodiesInjections, IntramuscularFlagellaAzoospermiaReproductive Techniques, AssistedInclusion Bodies, ViralSperm BanksImmunohistochemistryProteinsBase SequenceY ChromosomeZygoteBlastocystInfertilityInjections, SubcutaneousInjections, IntralesionalKlinefelter SyndromeSuctionEmbryonic and Fetal DevelopmentInjections, Intra-ArticularEmbryo, MammalianCiliaHeat-Shock ProteinsDNA, ComplementaryEmbryonic DevelopmentOvulation InductionPregnancy, MultipleTime FactorsRNA, MessengerPseudomonadaceaeInfertility, FemaleVasovasostomyOocyte RetrievalBlotting, WesternInjections, Intraperitoneal