Notophthalmus viridescensSalamandridaeRegenerationExtremitiesMuscle, SkeletalSatellite Cells, Skeletal MuscleMuscle DevelopmentTriturusMusclesCardiotoxinsMyoblastsCobra Cardiotoxin ProteinsMuscle Fibers, SkeletalAmbystoma mexicanumLimb BudsMyoblasts, SkeletalMyoD ProteinNerve RegenerationPAX7 Transcription FactorMuscle ProteinsMice, Inbred mdxLiver RegenerationHindlimbForelimbMuscular DiseasesCell DifferentiationMuscle ContractionAmbystomaMyogeninTurbellariaPlanariansMuscular Dystrophy, AnimalAnimal FinsUrodelaMyogenic Regulatory Factor 5Muscle, SmoothMuscle Fibers, Slow-TwitchMuscle Fibers, Fast-TwitchElectromyographyMuscular AtrophyTailMice, Inbred C57BLStem CellsMuscular DystrophiesMuscular Dystrophy, DuchenneAmputationMuscle CellsMuscle, Smooth, VascularNotophthalmusBone RegenerationCell ProliferationGene Expression Regulation, DevelopmentalLower ExtremityMyostatinTime FactorsLimb SalvageMuscle FatigueLegCells, CulturedWound HealingLimb Deformities, CongenitalMice, KnockoutOculomotor Muscles