Sympathetic Nervous SystemCentral Nervous SystemSympathectomy, ChemicalNorepinephrineSympathectomyNervous SystemBlood PressureHeart RateAutonomic Nervous SystemAutonomic Nervous System DiseasesCatecholaminesEpinephrineSympatholyticsGanglionic BlockersHypertensionCentral Nervous System DiseasesPeripheral Nervous SystemPentolinium TartrateDenervationGuanethidineSympathetic Fibers, PostganglionicGanglia, SympatheticAdrenergic FibersHydroxydopaminesNervous System NeoplasmsPropranololStellate GanglionAdrenergic alpha-AntagonistsDopamine beta-HydroxylaseEnteric Nervous SystemNeuronsCentral Nervous System NeoplasmsBrainAdrenergic beta-AntagonistsReceptors, Adrenergic, betaParasympathetic Nervous SystemRenin-Angiotensin SystemSympathomimeticsPhentolamineNeuropeptide YAdrenal MedullaTime FactorsNeuroblastomaPrazosinRats, Sprague-DawleyReninHypertension, RenalHemodynamicsPressoreceptorsHexamethonium CompoundsKidneyCold Temperature3-IodobenzylguanidineNervous System Physiological PhenomenaHeartAdipose Tissue, BrownClonidineReceptors, AdrenergicAngiotensin IIGanglioneuromaBaroreflexHexamethoniumHypothalamusReserpineHypothalamo-Hypophyseal SystemTrimethaphanRats, Inbred SHROxidopamineStress, PhysiologicalAdrenal GlandsPeroneal NervePituitary-Adrenal SystemGanglia, AutonomicSuperior Cervical GanglionSpinal CordInjections, IntraventricularCentral Nervous System InfectionsPhenoxybenzamineLeptinGalvanic Skin ResponseHypothalamus, PosteriorVascular ResistanceReceptors, Adrenergic, alpha-2Antihypertensive AgentsNervous System DiseasesRats, Inbred WKYReflexRats, Inbred StrainsHypotension, OrthostaticPhodopusVagus NerveDisease Models, AnimalNeurotransmitter AgentsNeuroimmunomodulationNeurosecretory SystemsGanglioneuroblastomaAutonomic Nerve BlockReceptors, Adrenergic, beta-2Autonomic PathwaysArginine Vasopressin