Receptors, NicotinicNeurotransmitter AgentsNicotinic AntagonistsNicotinic Agonistsalpha7 Nicotinic Acetylcholine ReceptorNicotineAconitineBungarotoxinsDihydro-beta-ErythroidineAzocinesDimethylphenylpiperazinium IodideBicyclo Compounds, HeterocyclicMecamylamineQuinolizinesAcetylcholineHexamethoniumNeuronsNeurotransmitter Transport ProteinsSynaptic TransmissionCholinergic AgentsGanglionic StimulantsAnabasineConotoxinsPlasma Membrane Neurotransmitter Transport ProteinsDopamineGalantamineGlutamic AcidPyridinesPatch-Clamp Techniquesgamma-Aminobutyric AcidReceptors, NeurotransmitterPresynaptic TerminalsSynaptosomesGanglia, ParasympatheticRats, Sprague-DawleyCholinesterase InhibitorsReceptors, CholinergicDose-Response Relationship, DrugAlkaloidsSynapsesLobelineSynaptic VesiclesTubocurarinePicolinesBrainBenzylidene CompoundsProtein SubunitsAtropineMuscarinic AntagonistsMembrane PotentialsReceptors, MuscarinicCalciumElectrophysiologyElectric StimulationHippocampusIbogaineXenopus laevisSerotoninNeuromuscular JunctionNerve Tissue ProteinsChromaffin CellsPyrantelHexamethonium CompoundsHabenulaCorpus StriatumOocytesCholineTorpedoAzetidinesParasympathomimeticsRadioligand AssayCholinergic AgonistsChlorisondamineExcitatory Postsynaptic PotentialsCholinergic FibersTobacco Use DisorderCarbacholTacrineXenopusQuinoxalinesIon Channel GatingCholine O-AcetyltransferaseMuscarinic AgonistsNeurotoxinsMollusk VenomsCatecholaminesMuscarineNorepinephrineReceptors, PresynapticEpilepsy, Frontal LobeSuperior Cervical GanglionDextrorphanMorantelExcitatory Amino Acid AntagonistsCells, CulturedInterneuronsAutoradiographyParasympathetic Nervous SystemLevamisoleBehavior, Animal