IsoproterenolAdrenergic beta-AgonistsAdrenergic AgonistsReceptors, Adrenergic, betaAdrenergic alpha-AgonistsReceptors, Adrenergic, beta-2Receptors, AdrenergicAdrenergic alpha-2 Receptor AgonistsPhenylephrineCyclic AMPClonidineMedetomidinePropranololIodocyanopindololReceptors, Adrenergic, beta-1NorepinephrineAdenylate CyclaseAdrenergic alpha-1 Receptor AgonistsEpinephrineAlprenololPindololColforsinAdrenergic beta-AntagonistsClenbuterolCyclic AMP-Dependent Protein KinasesPropanolaminesTerbutalineMyocardiumParotid GlandReceptors, Adrenergic, alphaRats, Sprague-DawleyDose-Response Relationship, DrugMethoxamineMyocardial ContractionCells, CulturedBucladesineAdrenergic alpha-AntagonistsSympathomimeticsMetaproterenolFenoterolReceptors, Adrenergic, alpha-2DioxolesCalciumAdrenergic beta-2 Receptor AgonistsYohimbineRats, WistarGTP-Binding ProteinsMyocytes, CardiacReceptors, Adrenergic, beta-3ProcaterolAdrenergic beta-3 Receptor AgonistsPrazosinDexmedetomidineKineticsReceptors, Adrenergic, alpha-1HeartSignal TransductionDihydroalprenololNordefrinHeart VentriclesEthanolaminesTime FactorsQuinoxalinesGuinea PigsDopamine AgonistsPhosphorylationImidazolesRNA, MessengerAlbuterolCatecholaminesPhentolamineEnzyme ActivationAnimals, NewbornCell LineGuanfacineCell MembraneCarbacholCholinergic AgonistsPhenoxypropanolaminesIdazoxanDogsAdipose Tissue, BrownXylazineAutonomic AgentsSympatholyticsDioxanesRats, Inbred StrainsMidodrineCyclic CMPStimulation, ChemicalAdrenergic AgentsLipolysisHeart RateHypnotics and SedativesPurinergic P1 Receptor AgonistsPertussis ToxinAdrenergic AntagonistsInjections, SpinalGABA AgonistsMuscarinic Agonists