Sympathetic Fibers, PostganglionicSympathetic Nervous SystemAutonomic Fibers, PostganglionicAdrenergic Fibers3-IodobenzylguanidineSympathectomySympathectomy, ChemicalSuperior Cervical GanglionParasympathetic Nervous SystemStellate GanglionGanglia, SympatheticAutonomic Nervous System DiseasesDenervationGanglionectomyNorepinephrineHeartSweat GlandsEphedrineParasympathetic Fibers, PostganglionicGanglia, ParasympatheticHydroxydopaminesIodobenzenesGuanethidineTyrosine 3-MonooxygenaseElectric StimulationNeurons, EfferentSplanchnic NervesNaphthylvinylpyridineNerve Growth FactorTyramineSympatholyticsAtropineHexamethonium CompoundsOxidopamineAutonomic Fibers, PreganglionicGanglia, AutonomicBretylium CompoundsMetipranololParasympathectomyCatecholaminesNeuronsGanglionic BlockersAxonsNeuropeptide YDihydroergotamineSemaphorin-3ASympathomimeticsNADH Tetrazolium ReductaseAnimals, NewbornAutonomic Nervous SystemHorner SyndromeNerve EndingsNerve Growth FactorsPempidineRadiopharmaceuticalsPure Autonomic FailureVagus NerveIodine RadioisotopesCatsRats, Sprague-DawleyReceptors, AdrenergicNorepinephrine Plasma Membrane Transport ProteinsSubmandibular GlandHeart RatePentolinium TartrateHypogastric PlexusTomography, Emission-ComputedReserpineAdrenergic alpha-AntagonistsDogsPhentolamineNerve FibersRats, WistarGangliaReceptors, Adrenergic, betaDesipramineEpinephrineAdrenergic AntagonistsVasoactive Intestinal PeptideMyocardiumPropranololRats, Inbred StrainsReceptors, Adrenergic, beta-1ImmunohistochemistryPharmacologyHypohidrosisAcetylcholineTime FactorsPineal GlandCholinergic FibersGuinea PigsArteriesNeurons, AfferentDiabetic NeuropathiesNictitating MembraneThallium RadioisotopesTailBlood PressureVas DeferensAdrenergic alpha-Agonists