Nicotinic AntagonistsReceptors, NicotinicAconitinealpha7 Nicotinic Acetylcholine ReceptorMecamylamineNicotinic AgonistsNicotineConotoxinsDihydro-beta-ErythroidineBungarotoxinsAcetylcholineMuscarinic AntagonistsTorpedoAzocinesReceptors, CholinergicDelphiniumQuinolizinesDose-Response Relationship, DrugBicyclo Compounds, HeterocyclicTubocurarineCholinergic AgentsPyridinesHexamethoniumRats, Sprague-DawleyElectric OrganCobra Neurotoxin ProteinsNeuronsGanglionic StimulantsReceptors, MuscarinicChlorisondamineCarbacholCholinergic AntagonistsParasympathomimeticsBicyclo CompoundsErabutoxinsCholinergic AgonistsPatch-Clamp TechniquesAlkaloidsXenopus laevisAzetidinesSynaptic TransmissionExcitatory Amino Acid AntagonistsIbogaineProtein SubunitsMembrane PotentialsBinding, CompetitiveDimethylphenylpiperazinium IodideZigadenusInterleukin 1 Receptor Antagonist ProteinMyasthenia GravisCholineAtropineLobelinePhysostigminePlant PoisoningOocytesAmphibian VenomsHexamethonium CompoundsNeuromuscular JunctionMusclesRadioligand AssayAnabasineNeurokinin-1 Receptor AntagonistsBenzylidene CompoundsGanglionic BlockersDopamineHippocampusBenzazepinesRats, WistarPiperidinesSynaptosomesAmino Acid SequenceCalciumMolecular Sequence DataElectrophysiologyQuinoxalinesGalantamineBinding SitesScopolamine HydrobromideElectric StimulationIon ChannelsLigandsCells, CulturedAzirinesDopamine AntagonistsAgrinXenopusReceptors, Serotonin, 5-HT3Drug Partial AgonismMollusk VenomsMuscarinic AgonistsVesicular Acetylcholine Transport ProteinsHistamine H2 AntagonistsSerotonin 5-HT3 Receptor AntagonistsQuinuclidinesPurinergic P1 Receptor AntagonistsBrainKineticsGABA AntagonistsGanglia, Parasympathetic