Nerve FibersAdrenergic FibersAxonsSympathetic Nervous SystemDenervationParasympathetic Nervous SystemMotor NeuronsMuscle DenervationNeurons, AfferentUbiquitin ThiolesteraseTyrosine 3-MonooxygenaseCholinergic FibersAutonomic Fibers, PreganglionicMusclesElectric StimulationNeuronsNerve EndingsVasoactive Intestinal PeptideVesicular Acetylcholine Transport ProteinsSympathetic Fibers, PostganglionicAutonomic PathwaysSweat GlandsNeuromuscular JunctionAcetylcholinesteraseCalcitonin Gene-Related PeptideCholine O-AcetyltransferaseVagus NerveHistocytochemistryNerve Regeneration3-IodobenzylguanidineSynapsesNorepinephrineTrigeminal NerveOphthalmic NerveNeurons, EfferentGanglionectomySubstance PImmunohistochemistryThiolester HydrolasesGanglia, SympatheticGuanethidineGanglia, ParasympatheticAnimals, NewbornNervous System Physiological PhenomenaDopamine beta-HydroxylaseAutonomic Nervous SystemNeural PathwaysNerve Growth FactorsAfferent PathwaysNeurotrophin 3Autonomic DenervationSympathectomy, ChemicalHorseradish PeroxidaseNeuropeptide YMotor EndplateHydroxydopaminesAutonomic Fibers, PostganglionicAtropineSuperior Cervical GanglionNerve Growth FactorEfferent PathwaysHeartCatecholaminesOculomotor MusclesSplanchnic NervesRats, Sprague-DawleyMerkel CellsSensory Receptor CellsSemaphorin-3AMuscle ContractionTrigeminal GanglionStellate GanglionPeripheral NervesMechanoreceptorsCatsSerotoninNeuropeptidesChick EmbryoEnteric Nervous SystemSkinAutonomic Nervous System DiseasesMuscle SpindlesAcetylcholineMyenteric PlexusGanglia, AutonomicTongueNitrergic NeuronsHexamethonium CompoundsGangliaGeniculate GanglionSynaptic TransmissionMuscle, SmoothAutonomic AgentsMicroscopy, ElectronSpinal CordOxidopaminePresynaptic TerminalsAdrenergic AgentsReceptor, trkACochlea