Sympathetic Fibers, PostganglionicSympathetic Nervous SystemAdrenergic FibersAutonomic Fibers, PostganglionicNerve FibersNorepinephrineNeuromaStellate GanglionNerve Fibers, UnmyelinatedElectric StimulationSynovial MembraneNerve Fibers, MyelinatedSciatic NerveAxonsPeripheral NervesArthritis, RheumatoidNeural ConductionOptic NerveNeurons, AfferentParasympathetic Fibers, PostganglionicNerve EndingsGanglia, ParasympatheticDenervationSural NervePeroneal NerveParasympathetic Nervous SystemGanglia, SympatheticSpinal Nerve RootsCatsAutonomic Fibers, PreganglionicVagus NerveNeurons, EfferentMyelin SheathHeart RateGanglionic BlockersReflexSympathectomyBretylium CompoundsHexamethonium CompoundsPressoreceptorsBlood PressureNerve RegenerationGanglia, AutonomicBaroreflexAction PotentialsRats, Sprague-DawleyGuanethidineSchwann CellsAfferent PathwaysCapsaicinNociceptorsMechanoreceptorsSuperior Cervical GanglionHorner SyndromeOphthalmic NerveMicroscopy, ElectronGanglia, SpinalNeuronsSubstance PRetinal Ganglion CellsNerve BlockSensory Receptor CellsPeripheral Nerve InjuriesSpinal NervesOptic Nerve DiseasesAtropineHypogastric PlexusDietary FiberUbiquitin ThiolesteraseMuscle Fibers, SkeletalHeartPhrenic NerveTrigeminal NerveSplanchnic NervesSkinPentolinium TartratePempidinePeripheral Nervous System DiseasesOptic DiskCalcitonin Gene-Related PeptideCochlear NerveTibial NerveElectrophysiology