Neural PlateNeural TubeNeural CrestNervous SystemNeurulationEctodermBrain StemGene Expression Regulation, DevelopmentalChick EmbryoEmbryonic InductionXenopus ProteinsBody PatterningNotochordIn Situ HybridizationCentral Nervous SystemGastrulaEmbryo, NonmammalianHomeodomain ProteinsRhombencephalonMorphogenesisAnencephalyBone Morphogenetic ProteinsZebrafish ProteinsGrowth PlateProsencephalonMesodermEvoked Potentials, Auditory, Brain StemZebrafishQuailBone PlatesXenopusXenopus laevisPaired Box Transcription FactorsSpinal DysraphismEmbryonic StructuresHedgehog ProteinsTranscription FactorsOtx Transcription FactorsNeural Tube DefectsSomitesTissue TransplantationNerve Tissue ProteinsMesencephalonCoturnixPollen TubeDiencephalonWnt ProteinsBrain Stem NeoplasmsBone Morphogenetic Protein 4GastrulationSpinal CordFibroblast Growth Factor 8TelencephalonCell DifferentiationGenes, HomeoboxSignal TransductionSOXB1 Transcription FactorsNeuronsMolecular Sequence DataFolic AcidEmbryonic and Fetal DevelopmentAvian ProteinsEmbryo, MammalianHMGB ProteinsFibroblast Growth FactorsEmbryonic DevelopmentWnt3 ProteinChordata, NonvertebrateMSX1 Transcription FactorSpina Bifida OccultaTrans-ActivatorsHeadOrganizers, EmbryonicDNA-Binding ProteinsCell MovementAmino Acid SequenceUrochordataPregnancyCiona intestinalisCranial NervesGerm LayersFallopian TubesEndodermBrainNeuroepithelial CellsEyeProteinsEncephaloceleSequence Homology, Amino AcidBase SequenceImmunohistochemistryCell LineagePAX2 Transcription FactorBasic Helix-Loop-Helix Transcription FactorsMeningomyeloceleEye ProteinsEpidermisAnimals, Genetically ModifiedPonsTime Factors