Neural PlateEctodermNervous SystemXenopus ProteinsNeural CrestEmbryonic InductionGene Expression Regulation, DevelopmentalGastrulaBody PatterningGrowth PlateNeurulationBone PlatesIn Situ HybridizationEmbryo, NonmammalianNeural TubeHomeodomain ProteinsChick EmbryoBone Morphogenetic ProteinsProsencephalonXenopusZebrafish ProteinsXenopus laevisNotochordEmbryonic StructuresZebrafishOtx Transcription FactorsCentral Nervous SystemMorphogenesisRhombencephalonMesodermMolecular Sequence DataTranscription FactorsHMGB ProteinsGastrulationSOXB1 Transcription FactorsTissue TransplantationDiencephalonDistamycinsPaired Box Transcription FactorsBone Morphogenetic Protein 4Nerve Tissue ProteinsBase SequenceWnt ProteinsFibroblast Growth Factor 8Nucleic Acid ConformationTelencephalonQuailAmino Acid SequenceFibroblast Growth FactorsGerm LayersNetropsinBisbenzimidazoleModels, MolecularGenes, HomeoboxDNAHedgehog ProteinsOrganizers, EmbryonicDNA-Binding ProteinsSequence Homology, Amino AcidBlastulaSignal TransductionEpidermisChordata, NonvertebrateHeadMesencephalonMSX1 Transcription FactorSomitesEndodermCell DifferentiationTrans-ActivatorsEye ProteinsCiona intestinalisEyeUrochordataIntercalating AgentsPAX2 Transcription FactorCrystallography, X-RayBinding SitesPleurodelesAvian ProteinsAxisCell LineageWnt3 ProteinRepressor ProteinsAmbystoma mexicanumProteinsAnimals, Genetically ModifiedHigh Mobility Group ProteinsEmbryonic DevelopmentProtein BindingTransplantsCloning, MolecularMicroinjectionsBase PairingOligodeoxyribonucleotides, AntisenseNeuronsBasic Helix-Loop-Helix Transcription FactorsHydrogen BondingBlastodermNeuroepithelial Cells