Stellate GanglionAutonomic Nerve BlockMepivacaineGanglia, SympatheticGangliaGanglia, AutonomicRetinal Ganglion CellsGanglia, SpinalBasal GangliaTrigeminal GanglionDecapodiformesGanglia, ParasympatheticGanglionectomyGanglia, SensorySympathetic Nervous SystemReflex Sympathetic DystrophyVagus NerveAdrenergic FibersElectric StimulationAutonomic Fibers, PreganglionicSympathectomySympathetic Fibers, PostganglionicSpiral GanglionNodose GanglionNeuronsHorner SyndromeDogsTachycardia, Ectopic AtrialTibial NerveHeartAutonomic Nervous SystemNerve BlockTachycardia, ParoxysmalGanglia, InvertebrateAxonsNorepinephrineSuperior Cervical GanglionAction PotentialsAnesthetics, LocalBupivacaineCatsHeart RateBasal Ganglia DiseasesSynapses