Nerve Fibers, MyelinatedMyelin SheathSural NerveRanvier's NodesNerve FibersNeural ConductionAxonsSciatic NervePeripheral NervesNerve Fibers, UnmyelinatedSpinal Nerve RootsSchwann CellsNeurons, AfferentPeripheral Nervous System DiseasesNerve RegenerationMicroscopy, ElectronDemyelinating DiseasesTibial NervePeripheral Nervous SystemOptic NerveNeurons, EfferentVagus NerveGanglia, SpinalAction PotentialsMyelin ProteinsDietary FiberMechanoreceptorsPeroneal NerveMuscle Fibers, SkeletalCatsDiabetic NeuropathiesNerve CrushSpinal CordElectric StimulationMedian NerveMyelin Basic ProteinAfferent PathwaysNerve DegenerationOligodendrogliaLaryngeal NervesMicroscopy, Electron, TransmissionSensory Receptor CellsNociceptorsPolyneuropathiesCharcot-Marie-Tooth DiseaseCorpus CallosumBiometrySkinMineral FibersReflexCentral Nervous SystemCell CountMotor NeuronsRats, Sprague-DawleyMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchNeurogliaNeuronsConvulsantsCotton FiberRats, Inbred StrainsTime FactorsImmunohistochemistryAgingRana esculentaBrainElectrophysiologyBiopsyNeurofilament ProteinsEvoked PotentialsStress FibersDisease Models, AnimalRats, WistarMusclesPurkinje FibersFluorescent Antibody TechniqueRabbitsWallerian DegenerationKv1.1 Potassium ChannelCell Adhesion Molecules, NeuronalMossy Fibers, HippocampalN-Acylsphingosine GalactosyltransferaseMice, Inbred C57BLRana pipiensMucunaMembrane PotentialsAutonomic AgentsContactinsMuscle, SkeletalPhysical StimulationSaxitoxinSodium ChannelsRhizotomyTrochlear NerveKv1.2 Potassium ChannelMuscle ContractionNerve EndingsMice, Neurologic MutantsHistological TechniquesContactin 2