NorepinephrineNorepinephrine Plasma Membrane Transport ProteinsNerve FibersDietary FiberMuscle Fibers, SkeletalEpinephrineSympathetic Nervous SystemCatecholaminesMineral FibersAdrenergic Uptake InhibitorsDesipramineMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchCotton FiberAdrenergic alpha-AgonistsDopamine beta-HydroxylaseVasoconstrictor AgentsReceptors, Adrenergic, alphaAdrenergic FibersAdrenergic alpha-AntagonistsReceptors, AdrenergicPurkinje FibersBlood PressureStress FibersMuscle ContractionDopamineLocus CoeruleusRats, Sprague-DawleyReceptors, Adrenergic, alpha-2Nerve Fibers, MyelinatedTyramineElectric StimulationDogsHeart RateReceptors, Adrenergic, betaSympathomimeticsPropranololMethoxyhydroxyphenylglycolMusclesPhentolamineVasoconstrictionDose-Response Relationship, DrugAdrenergic AgentsMossy Fibers, HippocampalYohimbineBiogenic MonoaminesPrazosinSerotoninReceptors, Adrenergic, alpha-1Adrenergic alpha-2 Receptor AntagonistsNeurotransmitter Uptake InhibitorsMuscle, SkeletalNormetanephrineRats, Inbred StrainsTime FactorsHeartHemodynamicsAdrenergic AntagonistsNeurotransmitter AgentsClonidineVascular ResistanceIsoproterenolPropylaminesRats, WistarCalciumMyocardiumAdrenergic AgonistsReserpineHypertensionNerve EndingsRabbitsMicrodialysisSymportersAdrenergic beta-AntagonistsPhenylephrineAdrenergic alpha-1 Receptor AgonistsTyrosine 3-MonooxygenaseDroxidopaSympathetic Fibers, PostganglionicAcetylcholineAdrenergic NeuronsCatsSympatholyticsStellate GanglionAdrenergic alpha-2 Receptor AgonistsAngiotensin II3-IodobenzylguanidineBiogenic AminesHydroxydopaminesMesenteric ArteriesAdipose Tissue, BrownNeuronsNeuropeptide YSynaptosomesVasomotor SystemMonoamine OxidaseSympathectomy, ChemicalIdazoxanRegional Blood FlowBrain