GymnospermsFertilizationFertilization in VitroAngiospermsPiceaCycasConiferophytaSpermatozoaPinusSperm-Ovum InteractionsTaxusPinaceaeGinkgo bilobaPinus taedaOvumOocytesCycadophytaOvuleEmbryo TransferPhylogenyZamiaceaeZygoteEphedraZona PellucidaFernsTreesGenes, PlantSelaginellaceaeSperm Injections, IntracytoplasmicSperm MotilityOcoteaPregnancyCambiumSeedsSea UrchinsDNA, PlantEvolution, MolecularPregnancy RatePseudotsugaLigninPlantsAcrosomeCupressaceaePlant ProteinsGene Expression Regulation, PlantGnetumCleavage Stage, OvumGenome, PlantGenome, ChloroplastAcrosome ReactionFertilizersSperm CapacitationInfertility, FemalePollenEmbryonic DevelopmentBryophytaCryopreservationMolecular Sequence DataThysanopteraCunninghamiaBlastocystPinus sylvestrisPhloemFlowersOvulation InductionDNA ShufflingViridiplantaeInfertility, MaleFossilsInfertilityEgg ProteinsExtinction, BiologicalMicroinjectionsCryptomeriaBiological EvolutionEmbryo ImplantationWoodRNA, PlantSeed DispersalFertilityVitelline MembraneEmbryonic and Fetal DevelopmentPlant LeavesParthenogenesisDNA, ChloroplastExpressed Sequence TagsSperm HeadPregnancy OutcomeSpecies SpecificitySemen PreservationOocyte RetrievalOogenesisInsemination, ArtificialFollicular FluidDiterpenes, KauraneReproductive TechniquesUrochordataStarfishAmino Acid SequenceEmbryo, Mammalian