Ganglia, SpinalSpinal CordSympathetic Fibers, PostganglionicGangliaAutonomic Fibers, PostganglionicNeurons, AfferentRetinal Ganglion CellsGanglia, SympatheticGanglia, AutonomicNeuronsGanglia, ParasympatheticBasal GangliaCarotid ArteriesTrigeminal GanglionChick EmbryoCarotid StenosisGanglia, SensoryCarotid Artery DiseasesStellate GanglionSuperior Cervical GanglionEndarterectomy, CarotidSpinal Cord InjuriesCarotid Artery, InternalSpiral GanglionNodose GanglionCarotid BodyParasympathetic Fibers, PostganglionicCarotid Artery, CommonAutonomic Fibers, PreganglionicGanglia, InvertebrateCarotid SinusHexamethonium CompoundsSympathetic Nervous SystemGanglionic BlockersBasal Ganglia DiseasesParasympathetic Nervous SystemAxonsElectric StimulationRetinaDenervationGeniculate GanglionCarotid Artery, ExternalAction PotentialsWilliams SyndromeHypogastric PlexusBretylium CompoundsHorner SyndromeCatsSpinal NervesVagus NervePempidineInjections, SpinalCarotid Artery ThrombosisSpinal Nerve RootsCarotid Artery InjuriesGuanethidineSynaptic TransmissionElectrophysiologyPentolinium TartrateTime FactorsSympathectomySpinal Cord DiseasesOptic NerveAnesthesia, SpinalGuinea PigsCarotid Intima-Media ThicknessAtropineReflexAcetylcholineImmunohistochemistrySynapsesNeurons, EfferentSpinal Cord NeoplasmsNorepinephrineSpinal CanalMembrane PotentialsNerve FibersSpinal Cord CompressionSubstance PTubocurarineSensory Receptor CellsSpinal DiseasesTyrosine 3-MonooxygenaseSpinal NeoplasmsNictitating MembraneNerve RegenerationAdrenergic FibersTunica IntimaAnimals, NewbornPharmacologyTunica MediaTetrodotoxinEfferent PathwaysCell CountAmacrine CellsCapsaicinHorseradish PeroxidaseRats, WistarCells, CulturedMotor Neurons