Neural TubeNeurulationAnencephalyNeural CrestSpinal DysraphismNervous SystemChick EmbryoNotochordGene Expression Regulation, DevelopmentalCentral Nervous SystemPollen TubeBody PatterningFolic AcidNeural Tube DefectsIn Situ HybridizationQuailSpina Bifida OccultaMorphogenesisRhombencephalonCoturnixHedgehog ProteinsSomitesPregnancyEmbryo, MammalianEmbryonic InductionEctodermMesodermFallopian TubesPaired Box Transcription FactorsEncephaloceleHomeodomain ProteinsMeningomyeloceleEmbryo, NonmammalianMutationTranscription FactorsEmbryonic and Fetal DevelopmentEustachian TubeSpina Bifida CysticaHeart Defects, CongenitalChest TubesZebrafish ProteinsCongenital AbnormalitiesZebrafishEmbryonic DevelopmentVitamin B ComplexCell DifferentiationMolecular Sequence DataMice, Mutant StrainsSpinal CordPreconception CarePhenotypeAvian ProteinsBone Morphogenetic ProteinsTissue TransplantationSignal TransductionHeart Septal Defects, VentricularCell MovementNerve Tissue ProteinsNeural PlateCranial NervesPrenatal DiagnosisMesencephalonHeart Septal Defects, AtrialXenopus ProteinsWnt3 ProteinGastrulaDNA-Binding ProteinsAmino Acid SequenceInfant, NewbornWnt ProteinsFood, FortifiedTailBase SequenceFolic Acid DeficiencyWnt1 ProteinTeratogensCell PolarityMice, TransgenicMice, KnockoutCulture TechniquesSkullChimeraNeuroepithelial CellsProteinsGenes, HomeoboxTime FactorsFallopian Tube NeoplasmsFetal DeathCraniofacial AbnormalitiesNeuronsImmunohistochemistryAbortion, TherapeuticStem CellsIntubation, GastrointestinalProsencephalonalpha-FetoproteinsTrans-ActivatorsLIM-Homeodomain ProteinsAbnormalities, MultipleGenes, Lethal