NorepinephrineEpinephrineNorepinephrine Plasma Membrane Transport ProteinsCatecholaminesSympathetic Nervous SystemReceptors, AdrenergicPropranololAdrenergic alpha-AgonistsAdrenergic AgonistsSympathomimeticsDesipramineReceptors, Adrenergic, alphaPhentolamineAdrenergic Uptake InhibitorsAdrenergic alpha-AntagonistsSympatholyticsTyramineBlood PressureDopamine beta-HydroxylaseIsoproterenolVasoconstrictor AgentsReceptors, Adrenergic, betaPhenoxybenzamineHeart RateReserpineDopamineYohimbineReceptors, Adrenergic, alpha-2Adrenal MedullaAdrenergic AntagonistsPrazosinDose-Response Relationship, DrugDogsAdrenergic beta-AntagonistsSerotoninLocus CoeruleusClonidineErgotamineReceptors, Adrenergic, alpha-1HemodynamicsHeartBiogenic MonoaminesVasoconstrictionPhenylephrineRats, Inbred StrainsAdrenergic beta-AgonistsGuanethidineElectric StimulationRats, Sprague-DawleyMethoxyhydroxyphenylglycolAdrenergic alpha-2 Receptor AntagonistsAdrenergic AgentsRacepinephrineAcetylcholineIdazoxanNeurotransmitter AgentsHydroxydopaminesVascular ResistanceMyocardiumPropanolaminesDibenzylchlorethaminePotassiumMethoxamineAdrenergic FibersAdrenal GlandsVasopressinsCyclic AMPNormetanephrineNeurotransmitter Uptake InhibitorsStimulation, ChemicalTime FactorsButoxaminePerfusionMuscle ContractionAdrenergic alpha-2 Receptor AgonistsEphedrineCalciumNerve EndingsAdrenergic beta-1 Receptor AgonistsTrimethaphanHypertensionDioxanesMicrodialysisHydrocortisoneSplanchnic NervesAngiotensin IIPhenylethanolamine N-MethyltransferaseReceptors, Adrenergic, beta-1Sympathectomy, ChemicalPropylaminesRabbitsReceptors, Adrenergic, beta-2Rats, WistarRegional Blood FlowDihydroxyphenylalanineMonoamine Oxidase InhibitorsGuinea PigsHistamineCold TemperatureVasomotor System