PonsCarbacholReceptors, CholinergicReceptors, MuscarinicQuinuclidinyl BenzilateCholinergic AgonistsMuscarinic AntagonistsParasympathomimeticsMuscarinic AgonistsAtropineN-MethylscopolamineScopolamine HydrobromideReceptors, NicotinicCholinergic AntagonistsAcetylcholineReceptor, Muscarinic M1Receptor, Muscarinic M3DexetimideParasympatholyticsPirenzepineCholinergic AgentsReceptor, Muscarinic M2Scopolamine DerivativesPropylbenzilylcholine MustardOxotremorineCholinesterase InhibitorsMecamylamineArecolineCholinergic FibersQuinuclidinesPhysostigmineNicotineNicotinic AntagonistsNicotinic AgonistsHexamethonium CompoundsDecamethonium CompoundsBenzilatesTubocurarinealpha7 Nicotinic Acetylcholine ReceptorReceptor, Muscarinic M4BungarotoxinsParasympathetic Nervous SystemCalciumMuscle, SmoothGuinea PigsTetraisopropylpyrophosphamideAtropine DerivativesDose-Response Relationship, DrugHexamethoniumMuscarinePhosphatidylinositolsRats, Sprague-DawleyPilocarpineButoxamineElectric OrganMuscle ContractionAcetylcholinesteraseBinding, CompetitiveParotid GlandReceptors, Adrenergic, betaNeostigmineReceptor, Muscarinic M5GlycopyrrolateReceptors, AdrenergicCholine O-AcetyltransferaseInositol PhosphatesKineticsParathionAutoradiographyMembrane PotentialsReceptors, Adrenergic, alphaMethacholine CompoundsAmylases