CarbacholElectric StimulationCholinergic AgonistsStimulation, ChemicalElectric Stimulation TherapyReceptors, MuscarinicDeep Brain StimulationPhysical StimulationMuscarinic AgonistsCalciumCells, CulturedTranscranial Magnetic StimulationAtropineSignal TransductionRats, Sprague-DawleyMuscle ContractionDose-Response Relationship, DrugIsoproterenolMuscle, SmoothTime FactorsGuinea PigsPhosphorylationMuscarinic AntagonistsCell LineEnzyme ActivationCyclic AMPAdrenergic beta-AgonistsReceptors, Adrenergic, betaReceptor, Muscarinic M3Rats, WistarParasympathomimeticsAcetylcholineCatsNorepinephrineAction PotentialsKineticsProtein Kinase CNeuronsTranscutaneous Electric Nerve StimulationEnzyme InhibitorsVagus NerveMembrane PotentialsDopamine AgonistsAdenosineHistamineDogsRNA, MessengerLymphocyte ActivationTracheaElectrophysiologyPhosphatidylinositolsMice, Inbred C57BLReceptor, Muscarinic M2Inositol PhosphatesRabbitsSynaptic TransmissionElectrodes, ImplantedPhotic StimulationAdrenergic alpha-AgonistsRats, Inbred StrainsType C PhospholipasesGTP-Binding ProteinsColforsinPotassiumSympathetic Nervous SystemCalcium SignalingEvoked PotentialsAcoustic StimulationReceptors, Dopamine D1Receptor, Muscarinic M1MyocardiumAdenylate CyclaseTetradecanoylphorbol AcetateParasympathetic Nervous SystemParasympatholyticsHeartAdenosine TriphosphatePirenzepineCell MembraneParotid GlandCyclic AMP-Dependent Protein KinasesReceptors, Adrenergic, alphaT-LymphocytesTransfectionGene Expression RegulationPertussis ToxinMice, KnockoutReflexOxotremorineReceptors, Purinergic P1Neural InhibitionPropranololPhenylephrineMyocardial ContractionEvoked Potentials, MotorQuinuclidinyl BenzilatePatch-Clamp TechniquesMolecular Sequence DataInositol 1,4,5-TrisphosphateMuscle Relaxation