Sympathetic Nervous SystemCentral Nervous SystemSympathectomy, ChemicalNorepinephrineSympathectomyNervous SystemBlood PressureHeart RateAutonomic Nervous System DiseasesAutonomic Nervous SystemCatecholaminesSympatholyticsEpinephrineGanglionic BlockersCentral Nervous System DiseasesHypertensionPeripheral Nervous SystemPentolinium TartrateGuanethidineSympathetic Fibers, PostganglionicAdrenergic FibersDenervationGanglia, SympatheticNervous System NeoplasmsHydroxydopaminesStellate GanglionAdrenergic alpha-AntagonistsPropranololDopamine beta-HydroxylaseEnteric Nervous SystemCentral Nervous System NeoplasmsAdrenergic beta-AntagonistsSympathomimeticsNeuronsParasympathetic Nervous SystemReceptors, Adrenergic, betaBrainRenin-Angiotensin SystemPhentolamineNeuropeptide YAdrenal MedullaNeuroblastomaPrazosinRats, Sprague-DawleyHypertension, RenalReninHexamethonium Compounds3-IodobenzylguanidinePressoreceptorsAdipose Tissue, BrownCold TemperatureReceptors, AdrenergicHemodynamicsNervous System Physiological PhenomenaKidneyTime FactorsClonidineGanglioneuromaHeartAngiotensin IIBaroreflexReserpineHypothalamo-Hypophyseal SystemHexamethoniumPituitary-Adrenal SystemHypothalamusOxidopamineGanglia, AutonomicTrimethaphanPeroneal NerveSuperior Cervical GanglionStress, PhysiologicalCentral Nervous System InfectionsPhenoxybenzamineLeptinAdrenal GlandsGalvanic Skin ResponseInjections, IntraventricularHypothalamus, PosteriorReceptors, Adrenergic, alpha-2Rats, Inbred SHRSpinal CordNervous System DiseasesAntihypertensive AgentsVascular ResistanceHypotension, OrthostaticNeuroimmunomodulationVagus NerveReflexPhodopusGanglioneuroblastomaDisease Models, AnimalNeurosecretory SystemsNeurotransmitter AgentsReceptors, Adrenergic, beta-2Autonomic PathwaysRats, Inbred WKYTeprotideAutonomic Nerve BlockEphedrine