SynapsesNeuromuscular JunctionReceptors, CholinergicAgrinSynaptic TransmissionUtrophinMotor NeuronsMotor EndplatePresynaptic TerminalsDystrophin-Associated ProteinsNeurotransmitter AgentsSynaptic VesiclesMuscle DenervationDiaphragmImmunological SynapsesNeuregulinsMusclesBungarotoxinsSynaptophysinMuscle Fibers, SkeletalReceptor AggregationSynaptic MembranesElectrophysiologyElectric StimulationNeuronal PlasticityIntercostal MusclesAxonsAcetylcholinesteraseAcetylcholineXenopusParalysisNerve EndingsLarvaNerve Tissue ProteinsMuscle, SkeletalReceptor Protein-Tyrosine KinasesNeuronsAstacoideaMuscle ProteinsDrosophilaCells, CulturedAction PotentialsExcitatory Postsynaptic PotentialsRana pipiensSchwann CellsMice, KnockoutCalciumAnimals, NewbornDystrophinElectrical SynapsesDrosophila ProteinsMicroscopy, ElectronMembrane PotentialsTime FactorsHippocampusGreen Fluorescent ProteinsDendritesEmbryo, NonmammalianMice, Inbred C57BLReceptors, AMPAMutationMice, TransgenicXenopus laevisDrosophila melanogasterDendritic SpinesSignal TransductionMembrane ProteinsLong-Term PotentiationImmunohistochemistryPatch-Clamp TechniquesReceptors, N-Methyl-D-AspartateNeural InhibitionGlutamic AcidMuscle Contractiongamma-Aminobutyric AcidLong-Term Synaptic DepressionInterneuronsGene Expression RegulationExcitatory Amino Acid AntagonistsMolecular Sequence DataPurkinje CellsMossy Fibers, HippocampalModels, NeurologicalPyramidal CellsRNA, MessengerRats, Sprague-DawleyReceptors, GlutamatePost-Synaptic DensityCell LineVesicular Glutamate Transport Protein 1Synaptic PotentialsGuanylate KinaseCerebellumInhibitory Postsynaptic PotentialsSynapsinsNerve FibersNeural PathwaysReceptors, Metabotropic GlutamateAplysiaCell Adhesion Molecules, Neuronal