NorepinephrineNorepinephrine Plasma Membrane Transport ProteinsEpinephrineSympathetic Nervous SystemCatecholaminesAdrenergic Uptake InhibitorsDesipramineAdrenergic alpha-AgonistsDopamine beta-HydroxylaseVasoconstrictor AgentsReceptors, Adrenergic, alphaAdrenergic alpha-AntagonistsReceptors, AdrenergicBlood PressureDopamineLocus CoeruleusReceptors, Adrenergic, alpha-2TyramineReceptors, Adrenergic, betaMethoxyhydroxyphenylglycolSympathomimeticsHeart RatePhentolaminePropranololVasoconstrictionAdrenergic AgentsBiogenic MonoaminesYohimbineDogsRats, Sprague-DawleyPrazosinDose-Response Relationship, DrugReceptors, Adrenergic, alpha-1Adrenergic FibersAdrenergic alpha-2 Receptor AntagonistsNormetanephrineNeurotransmitter Uptake InhibitorsSerotoninAdrenergic AntagonistsHemodynamicsClonidineVascular ResistancePropylaminesAdrenergic AgonistsIsoproterenolReserpineHypertensionNeurotransmitter AgentsSymportersHeartMicrodialysisElectric StimulationRats, Inbred StrainsAdrenergic beta-AntagonistsAdrenergic alpha-1 Receptor AgonistsDroxidopaMyocardiumPhenylephrineSympatholyticsAdrenergic Neurons3-IodobenzylguanidineAngiotensin IIAdrenergic alpha-2 Receptor AgonistsBiogenic AminesAdipose Tissue, BrownMesenteric ArteriesHydroxydopaminesSynaptosomesTyrosine 3-MonooxygenaseMonoamine OxidaseStellate GanglionAcetylcholineIdazoxanEphedrinealpha-MethyltyrosineVasomotor SystemSerotonin Plasma Membrane Transport ProteinsNerve EndingsFluoxetineReninSympathectomy, ChemicalRats, Inbred WKYArteriesSympathetic Fibers, PostganglionicMethoxamineVasopressinsTrimethaphanRegional Blood FlowNeuropeptide YMethyltyrosinesForearmAdrenergic beta-AgonistsRats, WistarMuscle, Smooth, VascularDihydroxyphenylalanine3,4-Dihydroxyphenylacetic AcidPheochromocytomaShock, SepticDopamine Plasma Membrane Transport ProteinsAdrenal Medulla