Nicotinic AntagonistsReceptors, NicotinicMecamylamineNicotinic AgonistsNicotineConotoxinsalpha7 Nicotinic Acetylcholine ReceptorAcetylcholineBungarotoxinsMuscarinic AntagonistsTorpedoReceptors, CholinergicAconitineDihydro-beta-ErythroidineAzocinesDose-Response Relationship, DrugQuinolizinesBicyclo Compounds, HeterocyclicTubocurarineHexamethoniumElectric OrganCholinergic AgentsCobra Neurotoxin ProteinsPyridinesGanglionic StimulantsReceptors, MuscarinicChlorisondamineRats, Sprague-DawleyCarbacholCholinergic AntagonistsParasympathomimeticsNeuronsErabutoxinsCholinergic AgonistsXenopus laevisAzetidinesIbogaineProtein SubunitsDimethylphenylpiperazinium IodideInterleukin 1 Receptor Antagonist ProteinMyasthenia GravisAtropinePhysostigmineOocytesPatch-Clamp TechniquesAmphibian VenomsHexamethonium CompoundsNeuromuscular JunctionMembrane PotentialsSynaptic TransmissionMusclesRadioligand AssayAnabasineNeurokinin-1 Receptor AntagonistsBenzylidene CompoundsGanglionic BlockersExcitatory Amino Acid AntagonistsBinding, CompetitiveBenzazepinesPiperidinesAmino Acid SequenceMolecular Sequence DataElectrophysiologyAlkaloidsQuinoxalinesGalantamineBinding SitesScopolamine HydrobromideElectric StimulationIon ChannelsLigandsCells, CulturedAzirinesDopamine AntagonistsAgrinXenopusReceptors, Serotonin, 5-HT3Drug Partial AgonismMollusk VenomsRats, WistarCholineMuscarinic AgonistsVesicular Acetylcholine Transport ProteinsCalciumHistamine H2 AntagonistsSerotonin 5-HT3 Receptor AntagonistsBicyclo CompoundsQuinuclidinesPurinergic P1 Receptor AntagonistsBrainKineticsGABA AntagonistsGanglia, ParasympatheticReceptor, Muscarinic M1Cholinesterase InhibitorsHormone AntagonistsCell LineReceptor, Muscarinic M3Tobacco Use DisorderPhotoaffinity Labels