BungarotoxinsAcetylcholineReceptors, NicotinicReceptors, Cholinergicalpha7 Nicotinic Acetylcholine ReceptorTorpedoNicotinic AntagonistsNicotinic AgonistsReceptors, MuscarinicNicotineElectric OrganMyasthenia GravisNeuromuscular JunctionCarbacholTubocurarineConotoxinsAconitineReceptor, Muscarinic M1Cobra Neurotoxin ProteinsMusclesAzocinesAgrinReceptor, Muscarinic M3Receptor, Muscarinic M2Cholinergic AgentsMecamylamineMuscarinic AgonistsQuinuclidinyl BenzilateDihydro-beta-ErythroidineBicyclo Compounds, HeterocyclicMuscarinic AntagonistsQuinolizinesVesicular Acetylcholine Transport ProteinsN-MethylscopolamineMotor EndplateAmphibian VenomsCholinergic AgonistsAtropineReceptor, Muscarinic M4ElectrophorusMuscle DenervationMyasthenic Syndromes, CongenitalXenopus laevisReceptor AggregationOxotremorineSynaptic MembranesAcetylcholinesteraseDose-Response Relationship, DrugCholinesterase InhibitorsCholinergic AntagonistsCholineProtein SubunitsPhysostigmineParasympathomimeticsNeuronsIon ChannelsDecamethonium CompoundsGallamine TriethiodideOocytesReceptor, Muscarinic M5ParasympatholyticsMembrane PotentialsPyridinesDimethylphenylpiperazinium IodideAmino Acid SequenceMolecular Sequence DataAzetidinesPatch-Clamp TechniquesKineticsBinding SitesBinding, CompetitiveAnabasineElectrophysiologyGanglia, ParasympatheticSynaptic TransmissionXenopusPirenzepineMyasthenia Gravis, Autoimmune, ExperimentalMacromolecular SubstancesCurareSnakesCells, CulturedGanglionic StimulantsGalantamineCholine O-AcetyltransferaseBenzylidene CompoundsRats, Sprague-DawleyRadioligand AssayCell MembraneCell LineProadifenCalciumLigandsHexamethoniumAlkaloidsSynapsesCobra VenomsChick EmbryoErabutoxinsHexamethonium Compounds