Cell MovementMovementGastrulationBiologyEye MovementsSystems BiologyGastrulaMorphogenesisZebrafishDictyosteliumChemotaxisZebrafish ProteinsModels, BiologicalPseudopodiaEmbryo, NonmammalianCell PolaritySignal TransductionHead MovementsPrimitive StreakMolecular BiologyDevelopmental BiologyMovement DisordersBody PatterningActinsTime-Lapse ImagingMicroscopy, VideoCell AdhesionCytoskeletonGene Expression Regulation, DevelopmentalPlant Viral Movement ProteinsSynthetic BiologyCell Surface ExtensionsComputational BiologyFetal MovementMesodermPsychomotor PerformanceVideo RecordingCell AggregationMotion Pictures as TopicWnt ProteinsTime FactorsMolecular Sequence DataChick EmbryoMutationXenopus ProteinsMicrofilament ProteinsCell ShapeBiomechanical PhenomenaSaccadesMyxococcus xanthusCadherinsArmSomitesElectromyographyCell CommunicationGreen Fluorescent ProteinsCells, CulturedIn Situ Hybridizationrac GTP-Binding ProteinsMicroscopy, FluorescenceEctodermNotochordrhoA GTP-Binding ProteinHandAdherens JunctionsEndodermCell MembraneXenopus laevisFixation, OcularActin CytoskeletonMicrotubulesAmino Acid SequenceWiskott-Aldrich Syndrome Protein FamilyComputer SimulationAnimals, Genetically ModifiedMicroscopy, Phase-ContrastPhenotypeLuminescent ProteinsOligoribonucleotides, AntisenseDrosophilaXenopusEye Movement Measurementsrho GTP-Binding ProteinsMotor CortexNIH 3T3 CellsNeural CrestCell LineageFocal AdhesionsPursuit, SmoothDrosophila ProteinsEmbryonic DevelopmentMicroscopy, ConfocalReceptors, Eph FamilyMembrane ProteinsChemotactic FactorsBlastodermReaction TimeExtracellular MatrixFingersOrganizers, Embryonic