CentrifugationCentrifugation, Density GradientCentrifugation, ZonalCentrifugation, IsopycnicPollen TubeNeural Tube DefectsNeural TubeCell FractionationFallopian TubesEustachian TubeChest TubesMetrizamideMicroscopy, ElectronMolecular WeightSubcellular FractionsPovidoneElectrophoresis, Polyacrylamide GelUltracentrifugationFallopian Tube NeoplasmsCell SeparationHypergravityIntubation, GastrointestinalCell MembraneFiltrationChromatography, GelKineticsTritiumMethodsSucroseIntubation, IntratrachealBlood Specimen CollectionCattleOrganoidsCesiumLiverHydrogen-Ion ConcentrationDetergentsSilicon DioxideRabbitsSolubilityChromatographyEnteral NutritionCells, CulturedNucleotidasesTime FactorsDiatrizoateAcid PhosphataseTemperatureMacromolecular SubstancesCell LineChick EmbryoSpermatozoaFallopian Tube DiseasesLysosomesGastrostomyPollenMolecular Sequence DataMembranesLiliumMicrosomesAmino AcidsChemical PrecipitationEvaluation Studies as TopicProteinsBacteriological TechniquesChromatography, DEAE-CelluloseMembrane ProteinsCulture MediaColloidsCarbon IsotopesSpecimen HandlingTriiodobenzoic AcidsFreezingElectrophoresisCytoplasmic GranulesDNAEscherichia coliRats, Inbred StrainsErythrocytesCell-Free SystemOctoxynolPolyethylene GlycolsMagnesiumOrganellesFallopian Tube Patency TestsThoracostomyCulture TechniquesCytoplasmCell NucleusChromatography, Ion ExchangePhospholipidsVirus CultivationMicrobodiesChromatography, AffinityEdetic AcidPhosphotungstic AcidRibonucleasesImmunodiffusionIntracellular MembranesSperm Motility