MorphogenesisGene Expression Regulation, DevelopmentalGastrointestinal TractMesodermEpitheliumIn Situ HybridizationBody PatterningEmbryo, NonmammalianSignal TransductionMutationEpithelial CellsCell PolarityZebrafishUreterOrganogenesisDrosophila ProteinsMolecular Sequence DataCell DifferentiationHomeodomain ProteinsPhenotypeDrosophilaTranscription FactorsIntestinesZebrafish ProteinsDigestive SystemModels, BiologicalOrgan Culture TechniquesCell ShapeFibroblast Growth Factor 10OdontogenesisCell MovementChick EmbryoHyphaeAnimals, Genetically ModifiedToothMammary Glands, AnimalAmino Acid SequenceEmbryo, MammalianEmbryonic and Fetal DevelopmentBone Morphogenetic ProteinsMice, TransgenicHair FollicleCadherinsMetagenomeActinsHedgehog ProteinsImmunohistochemistryMembrane ProteinsMice, KnockoutExtremitiesBase SequenceEctodermEndodermMicroscopy, ElectronEpidermisFibroblast Growth FactorsBranchial RegionEmbryonic DevelopmentCaenorhabditis elegansTooth GermLarvaCell DivisionWnt ProteinsDrosophila melanogasterExtracellular MatrixNeural CrestCell AdhesionSubmandibular GlandFeathersGastrulaCaenorhabditis elegans ProteinsCells, CulturedCytoskeletonWingFungal ProteinsMicroscopy, Electron, ScanningRNA, MessengerSequence Homology, Amino AcidCell ProliferationLamininEyeEar, InnerHeartBone Morphogenetic Protein 4Candida albicansLungCell LineIntestinal MucosaNerve Tissue ProteinsMice, Mutant StrainsAdherens JunctionsGenes, InsectDNA-Binding ProteinsDNA PrimersMice, Inbred C57BLGenes, HomeoboxGastrulationTime FactorsEmbryonic InductionMicrofilament Proteins