YohimbinePhentolamineAdrenergic alpha-AntagonistsReceptors, Adrenergic, alphaAdrenergic alpha-2 Receptor AntagonistsClonidinePrazosinNorepinephrineReceptors, AdrenergicAdrenergic alpha-AgonistsPropranololReceptors, Adrenergic, alpha-2Adrenergic AntagonistsPhenoxybenzamineSympatholyticsEpinephrineOxymetazolineIdazoxanDioxanesMethysergideElectric StimulationAdrenergic alpha-1 Receptor AntagonistsSympathetic Nervous SystemVas DeferensSympathomimeticsAtropineMuscle ContractionDihydroergotoxineReserpineGuanethidinePhenylephrineCatecholaminesAdrenergic beta-AntagonistsGuinea PigsAdrenergic alpha-2 Receptor AgonistsXylazineIsoproterenolTyramineMethoxamineTolazolineBretylium CompoundsDogsMuscle, SmoothImidazoline ReceptorsDose-Response Relationship, DrugRats, Inbred StrainsPenile ErectionDrug InteractionsDesipramineHexamethonium CompoundsNeuroeffector JunctionTetralonesAutonomic AgentsReceptors, Adrenergic, betaAdrenergic AgonistsBlood PressureVasoconstrictionParasympathetic Nervous SystemHydroxydopaminesHeart RateChlorprothixeneNordefrinErgoloid MesylatesPapaverineReceptors, Adrenergic, alpha-1Adrenergic AgentsRegional Blood FlowAgmatineMoxisylyteMuscle, Smooth, VascularCatsOctopamineSerotoninRabbitsDibenzylchlorethamineSerotonin AntagonistsAutonomic Fibers, PostganglionicErgotamineStimulation, ChemicalCocaineSalivationMydriasisHexamethoniumNaloxoneMesenteric ArteriesAdrenergic beta-AgonistsAdrenergic FibersArteriesInjections, IntraventricularSynaptic TransmissionButoxamineSympathectomy, ChemicalRats, Sprague-DawleyMethyltyrosinesChlorpromazineImidazolesDibenzazepinesQuinoxalinesIleumReceptors, Biogenic Amine