CatecholaminesSympathetic Nervous SystemNorepinephrineCentral Nervous SystemEpinephrineSympathectomy, ChemicalSympathectomyNervous SystemAdrenal MedullaBlood PressureHeart RateAutonomic Nervous SystemDopamine beta-HydroxylaseAutonomic Nervous System DiseasesSympatholyticsPropranololGanglionic BlockersAdrenal GlandsHypertensionReceptors, CatecholamineHydroxydopaminesAdrenergic FibersPhentolamineReceptors, AdrenergicAdrenergic alpha-AntagonistsCentral Nervous System DiseasesReserpineReceptors, Adrenergic, betaAdrenergic beta-AntagonistsTyrosine 3-MonooxygenaseDenervationChromaffin CellsGuanethidinePeripheral Nervous SystemSympathetic Fibers, PostganglionicPentolinium TartrateGanglia, SympatheticSympathomimeticsIsoproterenolStellate GanglionDopamineSplanchnic NervesPhenoxybenzamineBrainNeuronsNervous System NeoplasmsHexamethonium CompoundsHemodynamicsNeuropeptide YPrazosinParasympathetic Nervous SystemTime FactorsRats, Sprague-DawleyEnteric Nervous System3-IodobenzylguanidineCentral Nervous System NeoplasmsChromaffin SystemRenin-Angiotensin SystemNeuroblastomaClonidineHeartPheochromocytomaReninCold TemperatureStress, PhysiologicalGanglioneuromaNormetanephrineHexamethoniumAdrenergic alpha-AgonistsHypothalamusPressoreceptorsAdrenalectomyVanilmandelic AcidHypertension, RenalAngiotensin IIKidneyOxidopamineAdipose Tissue, BrownNervous System Physiological PhenomenaReceptors, Adrenergic, beta-2TrimethaphanGanglia, AutonomicNeurotransmitter AgentsReceptors, Adrenergic, alpha-2EphedrineBaroreflexChromaffin GranulesPituitary-Adrenal SystemMetaraminolHypothalamo-Hypophyseal SystemSuperior Cervical GanglionDogsVascular ResistanceAdrenergic beta-AgonistsNeurosecretory SystemsAdrenal Gland NeoplasmsYohimbineTyramineReceptors, Adrenergic, alphaRats, Inbred SHR