Multiple Birth OffspringTissue DonorsOocyte DonationOvumReproductive Techniques, AssistedOvuleBirth RateCadaverAlstroemeriaGerm Cells, PlantCord Blood Stem Cell TransplantationFertilizationEgg YolkUrochordataSperm CountSperm HeadFetal BloodGraft SurvivalSperm CapacitationEgg ProteinsPollen TubePregnancySeedsStarfishEgg ShellAgingEgg WhiteRosaEndospermPollenPhloroglucinolBlood DonorsAge FactorsFlowersSperm-Ovum InteractionsLiving DonorsCells, CulturedSperm MaturationParasite Egg CountSperm TransportArabidopsisAcrosomeSperm Injections, IntracytoplasmicReproductionArabidopsis ProteinsInfertility, MaleGene Expression Regulation, PlantEgg HypersensitivitySperm MidpieceOvipositionSemenZea maysZona PellucidaSemen PreservationSperm BanksEpididymisPlant ProteinsGenes, PlantFertilitySemen AnalysisOocytesZygoteCell MembraneTestisVitelline MembraneEjaculationCryopreservationPotassiumMembrane PotentialsSperm WhaleOligospermiaEgg Proteins, DietarySpermatozoaEchinodermataInsemination, ArtificialSeminal Plasma ProteinsMolecular Sequence DataProtaminesSexual Behavior, AnimalAsthenozoospermiaTime FactorsTissue and Organ ProcurementMicroinjectionsChickensInsemination, Artificial, HeterologousTissue and Organ HarvestingSchistosoma mansoniSea UrchinsOogenesisOviductsFallopian TubesTransplantation, HomologousInseminationNesting BehaviorParthenogenesisAmino Acid SequenceCryoprotective AgentsMeiosisAzoospermiaLiver Transplantation