SynapsesAplysiaNeuronsNeurons, AfferentMotor NeuronsMusclesNeuronal PlasticitySynaptic TransmissionExcitatory Postsynaptic PotentialsGanglia, InvertebrateLong-Term PotentiationPresynaptic TerminalsSerotoninElectric StimulationInterneuronsMuscle ProteinsPurkinje CellsMuscle, SmoothMuscle, SkeletalCells, CulturedMuscle Fibers, SkeletalCalciumImmunological SynapsesMuscle, Smooth, VascularMuscle DevelopmentMuscle ContractionAction PotentialsHippocampusPatch-Clamp TechniquesDendritesMuscle DenervationElectrophysiologyAxonsMuscle FatigueMuscle Fibers, Fast-TwitchNeural InhibitionNerve Tissue ProteinsMuscle Fibers, Slow-TwitchAnimals, Newborngamma-Aminobutyric AcidMyocytes, Smooth MuscleTime FactorsMembrane PotentialsRats, Sprague-DawleyMitochondria, MuscleElectrical SynapsesModels, NeurologicalRats, WistarNeuromuscular JunctionOculomotor MusclesReceptors, AMPANeck MusclesPyramidal CellsMuscle, StriatedGlutamic AcidImmunohistochemistryMuscle SpindlesGABAergic NeuronsDopaminergic NeuronsSynaptic VesiclesReceptors, N-Methyl-D-AspartateSpinal CordMice, Inbred C57BLDendritic SpinesMuscle RelaxationNeurotransmitter AgentsRespiratory MusclesCerebral CortexMuscle WeaknessPapillary MusclesSensory Receptor CellsCatsExcitatory Amino Acid AntagonistsMice, TransgenicMice, KnockoutElectromyographySignal TransductionAbdominal MusclesMuscle CellsCerebellumBrainQuadriceps MuscleGanglia, SpinalMasseter MuscleEvoked PotentialsTetrodotoxinFacial MusclesNeuropeptidesCholinergic NeuronsNeurons, EfferentIntercostal MusclesMasticatory MusclesOlfactory Receptor NeuronsAfferent PathwaysGreen Fluorescent ProteinsNerve NetBrain StemRNA, MessengerInhibitory Postsynaptic PotentialsMicroscopy, Electron