Cholinergic AgonistsCarbacholParasympathomimeticsMuscarinic AgonistsCholinergic AgentsReceptors, MuscarinicBethanecholOxotremorineAtropineMuscarinic AntagonistsAcetylcholineBethanechol CompoundsArecolineMuscarineBenzylidene CompoundsReceptors, CholinergicNicotinic AgonistsCholinergic AntagonistsReceptors, NicotinicNicotinePhysostigmineLacrimal ApparatusParasympatholyticsQuinuclidinyl BenzilateReceptor, Muscarinic M1Decamethonium CompoundsAdrenergic AgonistsDimethylphenylpiperazinium IodideReticular FormationRats, Sprague-DawleyDopamine Agonistsalpha7 Nicotinic Acetylcholine ReceptorMethacholine CompoundsReceptor, Muscarinic M3Chediak-Higashi SyndromePonsDose-Response Relationship, DrugLevamisoleAutonomic AgentsParasympathetic Nervous SystemCholinergic FibersCholinesterase InhibitorsCalciumScopolamine HydrobromidePilocarpineElectric StimulationIsoproterenolGoblet CellsMembrane PotentialsSleep, REMTubocurarineBungarotoxinsCells, CulturedMecamylamineGABA AgonistsSweat GlandsCyclic AMPSalivationNicotinic AntagonistsAmylasesMethacholine ChlorideRats, WistarPurinergic P1 Receptor AgonistsAction PotentialsParotid GlandNeuronsElectric OrganReceptor, Muscarinic M2MicroinjectionsPropranololVasoactive Intestinal PeptideIontophoresisSynaptic TransmissionPatch-Clamp TechniquesTorpedoKineticsAcetylcholinesteraseAdrenergic alpha-2 Receptor AgonistsElectrophysiologyTime FactorsPyridinesSerotonin 5-HT2 Receptor AgonistsHippocampusNeural InhibitionProtein Kinase CSerotonin 5-HT1 Receptor AgonistsPyramidal CellsHistamine AgonistsGuinea PigsInositol PhosphatesPurinergic P2 Receptor AgonistsSignal TransductionMuscle, SmoothAdrenergic beta-AgonistsCytoplasmic GranulesGABA-A Receptor AgonistsGTP-Binding ProteinsStimulation, Chemicalgamma-Aminobutyric AcidAdenosine A1 Receptor Agonists