CatecholaminesGuanethidineSympatholyticsBretylium CompoundsNeuronsNorepinephrineAdrenergic FibersDopamine beta-HydroxylaseOrganomercury CompoundsHydroxydopaminesEpinephrineSympathetic Nervous SystemNictitating MembraneReserpineNeurons, AfferentPhenoxybenzamineIodobenzenesTyrosine 3-MonooxygenaseTyramineAdrenergic NeuronsAmino AlcoholsMotor Neurons3-IodobenzylguanidinePropranololDesipraminePhentolamineElectric StimulationVas DeferensAmphetamineGuanidinesAdrenal MedullaGuinea PigsCatsReceptors, CatecholamineTetrodotoxinDopamineHeartAction PotentialsChromaffin CellsBlood PressureRabbitsDopaminergic NeuronsChromaffin SystemAdrenal GlandsCells, CulturedPheochromocytomaMuscle ContractionNormetanephrineElectrophysiologyPatch-Clamp TechniquesVanilmandelic AcidGABAergic NeuronsSynaptic TransmissionHippocampusSynapsesChromaffin GranulesAxonsMembrane PotentialsNerve Tissue ProteinsSensory Receptor CellsGanglia, SpinalTime FactorsAdrenal Gland NeoplasmsIsoproterenolDendritesReceptors, AdrenergicAnimals, NewbornSplanchnic NervesMetanephrineNeurons, EfferentOlfactory Receptor NeuronsCalciumBrainCerebral Cortexgamma-Aminobutyric AcidSpinal CordNeuropeptidesCholinergic NeuronsMedulla OblongataRats, WistarNeural InhibitionImmunohistochemistryMotor Neuron DiseasePhenylethanolamine N-MethyltransferaseMesencephalonChromogranin AModels, NeurologicalDihydroxyphenylalaninePyramidal CellsMethyltyrosinesSerotoninCatecholamine Plasma Membrane Transport ProteinsExcitatory Postsynaptic PotentialsNeurotransmitter AgentsGanglia, Sympatheticalpha-MethyltyrosineInterneuronsRats, Sprague-DawleyChromograninsBrain Stem