Cholinergic AgonistsCarbacholParasympathomimeticsMuscarinic AgonistsCholinergic AgentsSubstance PReceptors, MuscarinicBethanecholOxotremorineAtropineMuscarinic AntagonistsAcetylcholineBethanechol CompoundsArecolineMuscarineBenzylidene CompoundsReceptors, CholinergicNicotinic AgonistsCholinergic AntagonistsReceptors, NicotinicNicotinePhysostigmineLacrimal ApparatusParasympatholyticsQuinuclidinyl BenzilateReceptor, Muscarinic M1Decamethonium CompoundsAdrenergic AgonistsDimethylphenylpiperazinium IodideRats, Sprague-DawleyReticular FormationDose-Response Relationship, DrugDopamine Agonistsalpha7 Nicotinic Acetylcholine ReceptorMethacholine CompoundsReceptor, Muscarinic M3PonsChediak-Higashi SyndromeParasympathetic Nervous SystemAutonomic AgentsLevamisoleSubstance-Related DisordersCholinergic FibersCalciumCholinesterase InhibitorsScopolamine HydrobromideElectric StimulationPilocarpineIsoproterenolCells, CulturedGoblet CellsMembrane PotentialsTubocurarineSleep, REMGABA AgonistsBungarotoxinsMecamylamineSalivationRats, WistarCyclic AMPSweat GlandsAmylasesVasoactive Intestinal PeptideReceptors, Neurokinin-1NeuronsMethacholine ChlorideNicotinic AntagonistsParotid GlandTime FactorsAction PotentialsPurinergic P1 Receptor AgonistsSynaptic TransmissionPropranololMicroinjectionsKineticsIontophoresisElectric OrganGuinea PigsReceptor, Muscarinic M2Patch-Clamp TechniquesTorpedoSubstance Abuse Treatment CentersElectrophysiologyAcetylcholinesterasePyridinesAdrenergic alpha-2 Receptor AgonistsHippocampusMuscle, SmoothSerotonin 5-HT2 Receptor AgonistsNeural InhibitionProtein Kinase CSignal TransductionHistamine AgonistsSerotonin 5-HT1 Receptor AgonistsPyramidal CellsInositol PhosphatesPurinergic P2 Receptor AgonistsStimulation, ChemicalCytoplasmic GranulesRats, Inbred Strains