Germ Cells, PlantOvuleFertilizationEndospermPollen TubeFertilization in VitroPollenSeedsArabidopsisArabidopsis ProteinsGenes, PlantGene Expression Regulation, PlantSpermatozoaSperm-Ovum InteractionsOvumOocytesEmbryo TransferZygoteZona PellucidaSperm Injections, IntracytoplasmicSperm MotilityPregnancySea UrchinsPregnancy RateAcrosomeCleavage Stage, OvumFertilizersAcrosome ReactionSperm CapacitationInfertility, FemaleEmbryonic DevelopmentCryopreservationBlastocystOvulation InductionInfertility, MaleInfertilityEgg ProteinsMicroinjectionsEmbryo ImplantationFertilityVitelline MembraneEmbryonic and Fetal DevelopmentParthenogenesisSperm HeadPregnancy OutcomeSemen PreservationOogenesisOocyte RetrievalInsemination, ArtificialFollicular FluidUrochordataReproductive TechniquesEmbryo, MammalianStarfishMeiosisFallopian TubesOvarian FollicleOvulationChorionic GonadotropinMenotropinsSemenOocyte DonationCumulus CellsAcrosinEmbryo Culture TechniquesReproductive Techniques, AssistedSperm CountSperm TransportInseminationEchinodermataSuperovulationReproductionOvaryLive BirthIn Vitro Oocyte Maturation TechniquesFollicle Stimulating HormoneEpididymisPregnancy, MultipleMicromanipulationOligospermiaEmbryo, NonmammalianFallopian Tube DiseasesTime FactorsSperm TailContraception, ImmunologicMolecular Sequence DataOvarian Hyperstimulation SyndromeMetaphaseBlastomeresSpermatidsEjaculationCattleTestisCytoplasmFertility Agents, FemaleCalciumCryoprotective AgentsSeminal Plasma ProteinsSperm MaturationAbortion, Spontaneous