Neuromuscular JunctionMuscle WeaknessMusclesMuscle, SkeletalNeuromuscular Junction DiseasesMuscle ProteinsMuscle Fibers, SkeletalMuscle, SmoothMotor EndplateMuscle ContractionReceptors, CholinergicMuscle, Smooth, VascularMuscle DevelopmentMuscle DenervationRana pipiensDiaphragmRespiratory MusclesMuscular DiseasesMotor NeuronsGap JunctionsAgrinMuscle FatigueIntercellular JunctionsMyopathies, NemalineMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchSciatic NerveTight JunctionsNeuromuscular DiseasesNerve EndingsSynaptic TransmissionPeripheral NervesElectric StimulationAstacoideaOculomotor MusclesMitochondria, MuscleMuscular AtrophyElectromyographyMyasthenic Syndromes, CongenitalAnuraSynapsesMyasthenia GravisNeurotransmitter AgentsMuscle, StriatedQuadriceps MuscleNeck MusclesMyocytes, Smooth MuscleAcetylcholinesteraseSynaptic MembranesMuscle SpindlesCalciumPresynaptic TerminalsNerve FibersMyositisNerve RegenerationBungarotoxinsAcetylcholineRana ridibundaPhrenic NerveAspidospermaIsometric ContractionPolymyositisAdherens JunctionsMuscle RelaxationElectrophysiologyMuscle CellsAxonsCurareMicroscopy, ElectronMuscular DystrophiesOptic NervePapillary MusclesMuscle StrengthTime FactorsMembrane PotentialsMyofibrilsCarbon CycleIntercostal MusclesAbdominal MusclesNeural ConductionAction PotentialsCells, CulturedMutationFacial MusclesMyosin Heavy ChainsTibial NerveDystrophinDermatomyositisMasseter MuscleLarvaMuscular Dystrophy, DuchenneReceptor AggregationLambert-Eaton Myasthenic SyndromeMice, Inbred mdxMasticatory MusclesNerve CrushMuscular Dystrophy, AnimalImmunohistochemistryNeuromuscular Blocking AgentsArthropod Venoms