SynapsesMusclesMuscle ProteinsMuscle, SmoothMuscle, SkeletalMuscle Fibers, SkeletalImmunological SynapsesMuscle, Smooth, VascularMuscle DevelopmentMuscle ContractionSynaptic TransmissionMuscle DenervationMuscle FatigueMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchExcitatory Postsynaptic PotentialsElectric StimulationMyocytes, Smooth MuscleMitochondria, MusclePresynaptic TerminalsNeuronal PlasticityOculomotor MusclesNeck MusclesElectrical SynapsesMuscle, StriatedNeuronsNeuromuscular JunctionMuscle SpindlesMuscle RelaxationRespiratory MusclesMuscle WeaknessPapillary MusclesHippocampusCells, CulturedSynaptic VesiclesMotor NeuronsRats, Sprague-DawleyDendritesTime FactorsAbdominal MusclesMuscle CellsQuadriceps MuscleCalciumReceptors, AMPAElectromyographyPatch-Clamp TechniquesMasseter MuscleFacial MusclesIntercostal MusclesDendritic SpinesMasticatory MusclesLong-Term PotentiationAction PotentialsAxonsNeural InhibitionMuscular AtrophyIsometric ContractionElectrophysiologySatellite Cells, Skeletal MusclePectoralis MusclesNeurotransmitter AgentsAnimals, NewbornReceptors, N-Methyl-D-AspartateMicroscopy, ElectronNerve Tissue ProteinsRats, WistarMovementActinsModels, BiologicalGlutamic AcidSynaptic MembranesMice, Inbred C57BLSignal TransductionMuscular DiseasesModels, NeurologicalMembrane PotentialsBiomechanical PhenomenaRabbitsInterneuronsgamma-Aminobutyric AcidMyofibrilsHindlimbImmunohistochemistryPsoas MusclesMice, KnockoutLong-Term Synaptic DepressionMyosin Heavy ChainsExcitatory Amino Acid AntagonistsPurkinje CellsTemporal MuscleDiaphragmReceptors, CholinergicMossy Fibers, HippocampalPyramidal CellsRNA, MessengerMembrane ProteinsMolecular Sequence DataGreen Fluorescent ProteinsMice, TransgenicKinetics