Neural CrestEctodermNeural TubeChick EmbryoGene Expression Regulation, DevelopmentalCoturnixQuailBranchial RegionBody PatterningEmbryonic InductionNervous SystemIn Situ HybridizationMesodermEmbryo, NonmammalianNeurulationMorphogenesisRhombencephalonCell MovementSOXE Transcription FactorsXenopus ProteinsSkullZebrafish ProteinsBone Morphogenetic ProteinsNotochordGastrulaCell DifferentiationCentral Nervous SystemZebrafishHomeodomain ProteinsTranscription FactorsAnencephalyPaired Box Transcription FactorsSomitesMelanocytesEmbryo, MammalianNeural PlateCraniofacial AbnormalitiesCell LineageTissue TransplantationBone Morphogenetic Protein 4Spinal DysraphismXenopusWnt ProteinsSignal TransductionAvian ProteinsHedgehog ProteinsHeadNeural Tube DefectsXenopus laevisEmbryonic and Fetal DevelopmentEndodermEmbryonic DevelopmentChimeraFibroblast Growth Factor 8Wnt1 ProteinEnteric Nervous SystemPollen TubeMesencephalonCranial NervesCREST SyndromeGenes, HomeoboxMSX1 Transcription FactorDNA-Binding ProteinsImmunohistochemistryNerve Tissue ProteinsGastrulationEmbryonic StructuresAntigens, CD57Molecular Sequence DataFibroblast Growth FactorsPeripheral Nervous SystemHigh Mobility Group ProteinsFolic AcidCarbocyaninesJawVertebratesMice, Mutant StrainsNeuronsPregnancyChordata, NonvertebrateMice, TransgenicGangliaTrans-ActivatorsStem CellsCulture TechniquesExtremitiesTranscription Factor AP-2MutationHeartSpina Bifida OccultaPhenotypeModels, BiologicalAnimals, Genetically ModifiedCartilageBase SequenceLimb BudsTime FactorsAmino Acid SequenceCells, CulturedGerm Layers