CarbacholReceptors, MuscarinicMuscarinic AgonistsMuscarinic AntagonistsReceptor, Muscarinic M3Receptor, Muscarinic M1Receptor, Muscarinic M4Cholinergic AgonistsN-MethylscopolamineParasympathomimeticsAtropineParasympatholyticsMuscarineAcetylcholineDiaminesMuscle, SmoothGallamine TriethiodideCholinergic AgentsScopolamine DerivativesGuinea PigsScopolamine HydrobromideBethanecholMuscle ContractionPropylbenzilylcholine MustardPilocarpineCalciumReceptors, CholinergicIleumArecolineParasympathetic Nervous SystemTracheaPhosphatidylinositolsDose-Response Relationship, DrugInositol PhosphatesMethacholine CompoundsQuinuclidinesPiperidinesUrinary BladderParotid GlandPhysostigmineBenzilatesDicyclomineCholinergic AntagonistsGTP-Binding ProteinsBethanechol CompoundsHexamethonium CompoundsQuinuclidinyl BenzilateRadioligand AssayElectric StimulationMembrane PotentialsCholinesterase InhibitorsType C PhospholipasesReceptor, Muscarinic M2ThiadiazolesCholinergic FibersAtropine DerivativesPertussis ToxinIsoproterenolGuanosine 5'-O-(3-Thiotriphosphate)HistamineRats, Sprague-DawleyPirenzepinePotassiumVirulence Factors, BordetellaCHO CellsAlcuroniumDexetimideRats, WistarHexamethoniumMethacholine ChlorideHeart AtriaCyclic AMPLacrimal ApparatusProtein Kinase CCricetinaeMuscle RelaxationInositol 1,4,5-TrisphosphateKineticsColforsinBinding, CompetitiveMyocardiumTubocurarineGTP-Binding Protein alpha Subunits, Gq-G11NeostigmineNicotinic AntagonistsReceptors, NicotinicPatch-Clamp TechniquesHeartNeuronsRats, Inbred StrainsElectrophysiologyBenzofuransCells, CulturedVagus NerveMecamylamineDimethylphenylpiperazinium IodideSignal TransductionNorepinephrineParietal Cells, GastricStimulation, Chemical