RegenerationAmbystoma mexicanumExtremitiesTurbellariaNotophthalmusAmbystomaNotophthalmus viridescensForelimbNerve RegenerationLiver RegenerationSalamandridaePlanariansAnimal FinsBone RegenerationTailTriturusAmputationUrodelaZebrafishGuided Tissue RegenerationPleurodelesWound HealingNerve TissueCell DifferentiationIn Situ HybridizationWilms TumorStem CellsCell DedifferentiationCell ProliferationHepatectomyGene Expression Regulation, DevelopmentalAxonsZebrafish ProteinsAnimals, Genetically ModifiedAnimal StructuresAmputation StumpsAnaplasiaMorphogenesisNerve CrushPAX7 Transcription FactorPentosan Sulfuric PolyesterEpidermisDermisMesodermFibroblast Growth FactorsCartilageBody PatterningGenes, HomeoboxDenervationImmunohistochemistryHomeodomain ProteinsSignal TransductionTissue EngineeringCellular MicroenvironmentMSX1 Transcription FactorTissue ScaffoldsLarvaTretinoinHindlimbTime FactorsMolecular Sequence DataMultipotent Stem CellsSatellite Cells, Skeletal MuscleCell TransplantationSpinal Cord RegenerationSciatic NerveXenopus laevisGene Expression RegulationLimb BudsXenopus ProteinsEmbryo, NonmammalianAxotomyAmino Acid SequenceModels, AnimalBromodeoxyuridineCells, CulturedGene ExpressionModels, BiologicalHeadTenascinPeripheral NervesChoristomaWnt ProteinsSchwann CellsMuscle, SkeletalRegenerative MedicineHepatocytesCell DivisionHedgehog ProteinsExtracellular MatrixCell LineageLiverMice, Inbred C57BLMusclesRNA, MessengerPeripheral Nerve InjuriesBone and BonesDNA, ComplementaryCobra Cardiotoxin ProteinsBiocompatible Materials