Neural TubeNeural CrestChick EmbryoNervous SystemCoturnixNotochordGene Expression Regulation, DevelopmentalSomitesEmbryonic InductionBone Morphogenetic ProteinsBody PatterningWnt3 ProteinWnt1 ProteinEctodermIn Situ HybridizationCentral Nervous SystemZebrafish ProteinsPaired Box Transcription FactorsNeurulationHedgehog ProteinsWnt ProteinsFetal Tissue TransplantationMesodermBone Morphogenetic Protein 4AnencephalyrhoB GTP-Binding ProteinSpinal DysraphismMorphogenesisCell MovementTranscription FactorsSpinal CordCulture TechniquesHomeodomain ProteinsCell DifferentiationSignal TransductionPollen TubeZebrafishTrans-ActivatorsProteinsNeural Tube DefectsFolic AcidNerve Tissue ProteinsQuailDNA-Binding ProteinsSpina Bifida OccultaMice, TransgenicRhombencephalonMolecular Sequence DataFallopian TubesNeuronsEmbryo, MammalianProto-Oncogene ProteinsPregnancyTime FactorsModels, BiologicalMusclesEncephaloceleMeningomyeloceleEustachian TubeSpina Bifida CysticaChest TubesEmbryonic and Fetal DevelopmentEmbryo, NonmammalianVitamin B ComplexEmbryonic DevelopmentAvian ProteinsPreconception CareNeural PlateTissue TransplantationCranial NervesMesencephalonPrenatal DiagnosisXenopus ProteinsCongenital AbnormalitiesGastrulaMice, Mutant StrainsFood, FortifiedTailFolic Acid DeficiencyFallopian Tube NeoplasmsNeuroepithelial CellsTeratogensIntubation, GastrointestinalChimeraGenes, HomeoboxCell PolarityAbortion, Therapeuticalpha-FetoproteinsProsencephalonInfant, NewbornFetal DeathLIM-Homeodomain ProteinsMutationStem CellsImmunohistochemistryPrenatal CareUrochordataVertebratesSkullPhenotype