Cell MovementMovementGastrulationEye MovementsGastrulaMorphogenesisZebrafishDictyosteliumChemotaxisZebrafish ProteinsPseudopodiaS PhaseG1 PhaseSignal TransductionHead MovementsCell PolarityPrimitive StreakEmbryo, NonmammalianMovement DisordersBody PatterningActinsTime-Lapse ImagingLeechesModels, BiologicalMicroscopy, VideoCell AdhesionCell CyclePlant Viral Movement ProteinsCytoskeletonCell Surface ExtensionsGene Expression Regulation, DevelopmentalTime FactorsFetal MovementCell DivisionMesodermPsychomotor PerformanceMutationVideo RecordingCell LineCell AggregationMotion Pictures as TopicCells, CulturedMolecular Sequence DataCell Line, TumorWnt ProteinsXenopus ProteinsChick EmbryoMicrofilament ProteinsSaccadesCell ShapeMyxococcus xanthusArmSomitesElectromyographyBiomechanical PhenomenaCadherinsCell Proliferationrac GTP-Binding ProteinsTumor Cells, CulturedNeuronsNotochordCell CommunicationEctodermIn Situ HybridizationHandrhoA GTP-Binding ProteinAmino Acid SequenceGreen Fluorescent ProteinsMimosineAdherens JunctionsFibroblastsEndodermFixation, OcularCyclin-Dependent Kinase Inhibitor p21PhosphorylationXenopus laevisMicroscopy, FluorescenceWiskott-Aldrich Syndrome Protein FamilyActin CytoskeletonMicrotubulesPhenotypeCell DifferentiationOligoribonucleotides, AntisenseCell MembraneMicroscopy, Phase-ContrastEye Movement MeasurementsMotor CortexXenopusrho GTP-Binding ProteinsPursuit, SmoothG1 Phase Cell Cycle CheckpointsCyclin-Dependent Kinase Inhibitor p27Protein BindingNeural CrestFocal AdhesionsLeukemia P388Animals, Genetically ModifiedLuminescent ProteinsReceptors, Eph FamilyNIH 3T3 Cells