FertilitySpermatozoaSperm MotilitySperm-Ovum InteractionsFertilization in VitroOvuleOvumSperm CapacitationFertilizationSperm HeadSperm CountAlstroemeriaGerm Cells, PlantAcrosomeUrochordataAcrosome ReactionInfertility, MaleSemenPollen TubeSperm MidpieceSeedsZona PellucidaEgg ProteinsSperm MaturationFertility PreservationStarfishPollenSemen PreservationEgg YolkRosaFlowersSemen AnalysisEndospermPhloroglucinolSperm Injections, IntracytoplasmicTestisProtaminesReproductionCryopreservationEpididymisEjaculationInfertilitySperm AgglutinationSperm BanksSperm TransportSperm TailSeminal Plasma ProteinsVaccines, ContraceptiveArabidopsisContraception, ImmunologicInfertility, FemaleAcrosinAsthenozoospermiaArabidopsis ProteinsOocytesSperm Immobilizing AgentsGene Expression Regulation, PlantOligospermiaFertility AgentsEgg ShellEgg WhiteCervix MucusPregnancyCell MembraneZea maysReproductive Techniques, AssistedInsemination, ArtificialContraceptive Agents, MaleSpermatogenesisBirth RateSpermatocidal AgentsGenes, PlantPlant ProteinsVasectomySeminal Vesicle Secretory ProteinsPrimed In Situ LabelingChromomycin A3ZygoteAneuploidyParasite Egg CountProgesteroneReproductive BehaviorMembrane PotentialsDNA FragmentationContraceptive AgentsFallopian TubesOvipositionrab3A GTP-Binding ProteinCryoprotective AgentsChromatinCalciumPotassiumMolecular Sequence DataIonophoresOvaryPregnancy RatePovidoneSex RatioSexual Behavior, AnimalY Chromosome