Cholinergic AgonistsCarbacholParasympathomimeticsMuscarinic AgonistsCholinergic AgentsReceptors, MuscarinicBethanecholOxotremorineNicotinic AgonistsDopamine AgonistsAtropineMuscarinic AntagonistsAcetylcholineArecolineBethanechol CompoundsBenzylidene CompoundsMuscarineReceptors, CholinergicAdrenergic AgonistsReceptors, NicotinicCholinergic AntagonistsNicotineDose-Response Relationship, DrugRats, Sprague-DawleyPhysostigmineReceptor, Muscarinic M1ParasympatholyticsQuinuclidinyl BenzilateLacrimal ApparatusGABA AgonistsDecamethonium CompoundsDimethylphenylpiperazinium IodidePurinergic P1 Receptor AgonistsReticular FormationMethacholine CompoundsCalciumalpha7 Nicotinic Acetylcholine ReceptorPonsAdrenergic alpha-2 Receptor AgonistsReceptor, Muscarinic M3Chediak-Higashi SyndromeParasympathetic Nervous SystemSerotonin 5-HT2 Receptor AgonistsIsoproterenolCells, CulturedAutonomic AgentsLevamisoleCholinergic FibersSerotonin 5-HT1 Receptor AgonistsHistamine AgonistsElectric StimulationCyclic AMPPurinergic P2 Receptor AgonistsScopolamine HydrobromideCholinesterase InhibitorsPilocarpineAdrenergic beta-AgonistsMembrane PotentialsRats, WistarGABA-A Receptor AgonistsAdenosine A1 Receptor AgonistsGoblet CellsAdrenergic alpha-AgonistsTubocurarineBungarotoxinsMecamylamineSignal TransductionNeuronsKineticsNicotinic AntagonistsAdrenergic alpha-1 Receptor AgonistsSleep, REMPatch-Clamp TechniquesExcitatory Amino Acid AgonistsMethacholine ChlorideSweat GlandsSalivationSynaptic TransmissionPyridinesMicroinjectionsPropranololAction PotentialsGuinea PigsCannabinoid Receptor AgonistsTime FactorsReceptor, Muscarinic M2AmylasesAdrenergic beta-3 Receptor AgonistsElectrophysiologyReceptors, Opioid, muParotid GlandIontophoresisAdenosine A3 Receptor AgonistsVasoactive Intestinal PeptideReceptors, Opioid, kappaElectric OrganHippocampusGTP-Binding ProteinsTorpedoMuscle, Smooth