AgrinNeuromuscular JunctionReceptors, CholinergicNeuromuscular Junction DiseasesMotor EndplateMuscle Fibers, SkeletalRana pipiensGap JunctionsIntercellular JunctionsTight JunctionsMusclesReceptor AggregationSynaptic MembranesSynapsesMuscle, SkeletalSynaptic TransmissionAstacoideaMotor NeuronsNeurotransmitter AgentsBungarotoxinsPresynaptic TerminalsAnuraRana ridibundaAcetylcholinesteraseMuscle DenervationAdherens JunctionsDiaphragmSynaptic VesiclesDystroglycansCurareMyasthenic Syndromes, CongenitalAcetylcholineUtrophinNerve EndingsTubocurarineMuscle ProteinsMyoblastsMuscle DevelopmentArthropod VenomsElectric StimulationDystrophin-Associated ProteinsElectrophysiologyCalciumMicroscopy, ElectronLarvaCells, CulturedMembrane PotentialsReceptors, NicotinicDrosophilaMyasthenia GravisDrosophila ProteinsAxonsSchwann CellsSpider VenomsFreeze FracturingPhrenic NerveTorpedoCell LineChick EmbryoNeuromuscular Depolarizing AgentsReceptor Protein-Tyrosine KinasesAnimals, Genetically ModifiedAction PotentialsMuscle ContractionMolecular Sequence DataMutationDystrophinConnexinsNeostigmineMuscle CellsCholinesterasesCell DifferentiationNeuromuscular Blocking AgentsMembrane ProteinsLamininCytoskeletal ProteinsNerve Tissue ProteinsMiniature Postsynaptic PotentialsTime FactorsEvoked PotentialsMyoblasts, SkeletalDrosophila melanogasterBlack Widow SpiderPyridinium CompoundsRanidaeConnexin 43ImmunohistochemistryNeuregulinsMicroscopy, ConfocalAldicarbSignal TransductionFluorescent Antibody TechniqueMicroscopy, FluorescenceRana temporariaZonula Occludens-1 ProteinAmino Acid SequenceEsophagogastric JunctionBasement MembraneStrontiumRNA, Messenger