CarbacholReceptors, MuscarinicMuscarinic AgonistsMuscarinic AntagonistsReceptor, Muscarinic M3Receptor, Muscarinic M1Cholinergic AgonistsReceptor, Muscarinic M4N-MethylscopolamineParasympathomimeticsAtropineParasympatholyticsCalciumMuscarineAcetylcholineDiaminesMuscle, SmoothGallamine TriethiodideGuinea PigsCholinergic AgentsScopolamine DerivativesScopolamine HydrobromideMuscle ContractionBethanecholPropylbenzilylcholine MustardPilocarpineIleumReceptors, CholinergicDose-Response Relationship, DrugTracheaArecolineParasympathetic Nervous SystemPhosphatidylinositolsMembrane PotentialsInositol PhosphatesPotassiumMethacholine CompoundsPiperidinesUrinary BladderCalcium ChannelsQuinuclidinesParotid GlandGTP-Binding ProteinsPhysostigmineBenzilatesDicyclomineCholinergic AntagonistsElectric StimulationType C PhospholipasesBethanechol CompoundsCalcium SignalingRats, Sprague-DawleyHexamethonium CompoundsKineticsPertussis ToxinRadioligand AssayThapsigarginQuinuclidinyl BenzilateCalcium Channel BlockersHistamineThiadiazolesIsoproterenolCholinesterase InhibitorsVirulence Factors, BordetellaReceptor, Muscarinic M2Cells, CulturedInositol 1,4,5-TrisphosphateRats, WistarPatch-Clamp TechniquesCholinergic FibersGuanosine 5'-O-(3-Thiotriphosphate)Atropine DerivativesSodiumFura-2CHO CellsCyclic AMPElectrophysiologyProtein Kinase CPirenzepineNeuronsEgtazic AcidChloridesCricetinaeSignal TransductionBenzofuransColforsinAlcuroniumMethacholine ChlorideDexetimideCell MembraneHeart AtriaMyocardiumRats, Inbred StrainsHexamethoniumLacrimal ApparatusPotassium ChlorideMuscle RelaxationAction PotentialsIon TransportTime Factors