Animal FinsRegenerationExtremitiesAmbystoma mexicanumZebrafishTurbellariaAmbystomaNotophthalmus viridescensZebrafish ProteinsNotophthalmusTailAnimal StructuresForelimbSalamandridaeAnimals, Genetically ModifiedPlanariansWound HealingEpidermisNerve RegenerationLiver RegenerationFibroblast Growth FactorsTriturusFin WhaleGene Expression Regulation, DevelopmentalMesodermCell ProliferationAmputationHomeodomain ProteinsUrodelaBone RegenerationPleurodelesSignal TransductionNerve TissueWilms TumorIn Situ HybridizationCell DifferentiationCell DedifferentiationMorphogenesisAnaplasiaAmputation StumpsBody PatterningGuided Tissue RegenerationPentosan Sulfuric PolyesterStem CellsDermisGenes, HomeoboxCartilageTretinoinLimb BudsPAX7 Transcription FactorSwimmingLarvaEmbryo, NonmammalianDenervationMolecular Sequence DataMSX1 Transcription FactorCellular MicroenvironmentPerciformesMultipotent Stem CellsHindlimbXenopus laevisXenopus ProteinsImmunohistochemistryHepatectomyAmino Acid SequenceChoristomaModels, BiologicalHedgehog ProteinsTenascinAxonsTime FactorsT-Box Domain ProteinsCell TransplantationGene ExpressionBromodeoxyuridineGene Expression RegulationWnt Proteins