Cellular StructuresOrganizers, EmbryonicNucleolus Organizer RegionCellsGoosecoid ProteinBody PatterningElectron Microscope TomographyGene Expression Regulation, DevelopmentalMicroscopyEmbryonic InductionGastrulaMicroscopy, FluorescenceHomeodomain ProteinsXenopus ProteinsMicroscopy, ConfocalOrganellesMicroscopy, Fluorescence, MultiphotonMorphogenesisZebrafish ProteinsCytoskeletonCell Physiological PhenomenaMeristemEmbryo, NonmammalianIn Situ HybridizationModels, BiologicalMicroscopy, Electron, ScanningSilver StainingMesodermMolecular Sequence DataZebrafishMicrotubulesMicroscopy, ElectronImaging, Three-DimensionalStaining and LabelingActinsOtx Transcription FactorsFibroblast Growth Factor 8Signal TransductionLateral Line SystemEmbryologyAmino Acid SequenceProteinsTranscription FactorsGreen Fluorescent ProteinsMutationLuminescent ProteinsGenes, HomeoboxXenopusNanotechnologyEctodermRhombencephalonWnt1 ProteinActin CytoskeletonHeadFluorescent DyesChick EmbryoBone Morphogenetic ProteinsAnagallisMesencephalonMicrofilament ProteinsNotochordMicrotubule-Associated ProteinsWnt ProteinsCell LinePlant ShootsFlowersCell MembraneNuclear ProteinsCell NucleusTubulinLIM-Homeodomain ProteinsMembrane ProteinsWingEndodermNodal ProteinImage Processing, Computer-AssistedGene Expression Regulation, PlantIntercellular Signaling Peptides and ProteinsCell CompartmentationCytoplasmXenopus laevisHydraNervous SystemDrosophila ProteinsImmunohistochemistryCells, CulturedFibroblast Growth FactorsArabidopsisAxisNodal Signaling LigandsDrosophilaProtein BindingPlant RootsTime FactorsProtein TransportProteomicsRecombinant Fusion ProteinsTissue TransplantationArabidopsis ProteinsIndoleacetic Acids