Receptors, MuscarinicMuscarinic AntagonistsReceptor, Muscarinic M3Muscarinic AgonistsReceptor, Muscarinic M1Receptor, Muscarinic M4CarbacholN-MethylscopolamineParasympathomimeticsAtropineParasympatholyticsMuscarineCholinergic AgonistsDiaminesAcetylcholineGallamine TriethiodideScopolamine HydrobromideScopolamine DerivativesBethanecholCholinergic AgentsPropylbenzilylcholine MustardPilocarpineBenzilatesArecolineGuinea PigsMuscle, SmoothQuinuclidinesMethacholine CompoundsDicyclominePiperidinesReceptors, CholinergicParasympathetic Nervous SystemBethanechol CompoundsRadioligand AssayGTP-Binding ProteinsThiadiazolesIleumDexetimidePhysostigmineMuscle ContractionPhosphatidylinositolsDose-Response Relationship, DrugCHO CellsCholinergic AntagonistsCholinesterase InhibitorsAtropine DerivativesUrinary BladderCalciumMethacholine ChlorideInositol PhosphatesAlcuroniumHexamethonium CompoundsCholinergic FibersTropicamideElectric StimulationGuanosine 5'-O-(3-Thiotriphosphate)CricetinaeTracheaGTP-Binding Protein alpha Subunits, Gq-G11Pertussis ToxinBinding, CompetitiveGlycopyrrolateType C PhospholipasesRats, Sprague-DawleyParotid GlandHeart AtriaNicotinic AntagonistsDioxolanesTrihexyphenidylMembrane PotentialsSalivationVirulence Factors, BordetellaElapid VenomsMyocardiumVagus NerveNeuronsMecamylaminePatch-Clamp TechniquesReceptors, NicotinicRats, WistarG Protein-Coupled Inwardly-Rectifying Potassium ChannelsHexamethoniumHeartGTP-Binding Protein alpha Subunits, Gi-GoIsoproterenolKineticsPotassium ChannelsNeostigmineGanglia, SympatheticSignal TransductionCholine O-AcetyltransferaseCricetulusTropanesPhenylpropanolamineElectrophysiologyUrinary Bladder, OveractiveAcetylcholinesteraseSuperior Cervical GanglionAllosteric RegulationBenzofurans