NeuritesLimb BudsPC12 CellsAxonsNerve Growth FactorsExtremitiesChick EmbryoNerve Growth FactorGrowth ConesNeuronsGene Expression Regulation, DevelopmentalMorphogenesisCells, CulturedNerve RegenerationUreterCell DifferentiationMesodermNerve Tissue ProteinsSignal TransductionGAP-43 ProteinEctodermGanglia, SpinalNeural Cell Adhesion MoleculesIn Situ HybridizationFibroblast Growth FactorsFibroblast Growth Factor 4Molecular Sequence DataLamininCell Adhesion Molecules, NeuronalFibroblast Growth Factor 8MutationCell DivisionPlant ShootsLeukocyte L1 Antigen ComplexReceptor, trkASpores, BacterialLimb Deformities, CongenitalBody PatterningEmbryo, MammalianImmunohistochemistryAmino Acid SequenceOrgan Culture TechniquesNervous SystemHomeodomain ProteinsSporesEmbryonic InductionCell MovementMicroscopy, Phase-ContrastGlial Cell Line-Derived Neurotrophic FactorTime FactorsWingCell EnlargementWolffian DuctsNeural Cell Adhesion Molecule L1PheochromocytomaMice, KnockoutFibroblast Growth Factor 10FeathersCell PolarityCulture TechniquesPolydactylyGreen Fluorescent ProteinsMice, Inbred C57BLBone Morphogenetic ProteinsTranscription FactorsMyelin ProteinsPhenotypeCell LineRNA, MessengerNeuroblastomaTenascinModels, BiologicalActinsCell AdhesionMammary Glands, AnimalBone Morphogenetic Protein 4rac1 GTP-Binding ProteinFlowersMSX1 Transcription FactorNeurogenesisGeniculate GanglionRats, Sprague-DawleyBase SequenceHippocampusCerebellumTransfectionMice, TransgenicEmbryonic and Fetal DevelopmentZebrafishEpitheliumSaccharomyces cerevisiaeMembrane ProteinsReceptors, Nerve Growth FactorAnimals, NewbornRegenerationMicrotubulesMicroscopy, FluorescenceSaccharomyces cerevisiae Proteinscdc42 GTP-Binding ProteinRecombinant Fusion Proteins