Muscarinic AntagonistsPirenzepineReceptors, MuscarinicReceptors, NicotinicReceptor, Muscarinic M1Muscarinic AgonistsReceptor, Muscarinic M3DiaminesParasympatholyticsCarbacholGallamine TriethiodideReceptor, Muscarinic M4Receptor, Muscarinic M2N-MethylscopolamineParasympathomimeticsAtropineAcetylcholinePiperidinesScopolamine DerivativesScopolamine HydrobromideGlycopyrrolateMuscarineCholinergic AgonistsQuinuclidinyl BenzilateOxotremorinePropylbenzilylcholine MustardDicyclomineCholinergic AgentsBenzilatesArecolineTropanesQuinuclidinesCholinergic AntagonistsPilocarpineGuinea PigsNicotinic AntagonistsReceptors, CholinergicDose-Response Relationship, DrugAtropine DerivativesMuscle, SmoothParasympathetic Nervous SystemSomanRats, Sprague-DawleyRadioligand AssayBethanecholCholinesterase InhibitorsIleumMecamylamineMuscle ContractionTupaiidaePhysostigminePhenylpropanolamineHexamethonium CompoundsCholinergic FibersBinding, CompetitiveSarinElectric StimulationBronchodilator AgentsCalciumAdrenergic beta-2 Receptor AgonistsHexamethoniumPhosphatidylinositolsUrinary BladderRats, WistarTracheaInositol PhosphatesBronchoconstrictionNicotinic AgonistsCricetinaeMethacholine CompoundsNeuronsNicotineMembrane PotentialsMyocardiumDrug InteractionsDopamine AntagonistsAdministration, InhalationBethanechol CompoundsRats, Inbred StrainsHormone AntagonistsExcitatory Amino Acid AntagonistsAdrenergic alpha-AntagonistsCHO CellsGTP-Binding ProteinsCerebral CortexMyopia