Receptors, NicotinicNicotinic AntagonistsNicotinePresynaptic Terminalsalpha7 Nicotinic Acetylcholine ReceptorNicotinic AgonistsReceptors, PresynapticAconitineBungarotoxinsDihydro-beta-ErythroidineAzocinesDimethylphenylpiperazinium IodideBicyclo Compounds, HeterocyclicSynaptic TransmissionMecamylamineQuinolizinesSynapsesAcetylcholineNeuronsHexamethoniumExcitatory Postsynaptic PotentialsPatch-Clamp TechniquesCholinergic AgentsGanglionic StimulantsConotoxinsAnabasineElectric StimulationNeurotransmitter AgentsNeural InhibitionRats, Sprague-DawleyHippocampusSynaptosomesNeuromuscular JunctionGalantamineGanglia, ParasympatheticSynaptic VesiclesPyridinesGlutamic Acidgamma-Aminobutyric AcidElectrophysiologyReceptors, CholinergicTubocurarineMembrane PotentialsCalciumCholinesterase InhibitorsDopamineAlkaloidsDose-Response Relationship, DrugAction PotentialsPicolinesLobelineBenzylidene CompoundsProtein SubunitsMuscarinic AntagonistsAtropineInterneuronsExcitatory Amino Acid AntagonistsReceptors, MuscarinicNeuronal PlasticitySynaptic MembranesHexamethonium CompoundsIbogaineCorpus StriatumNerve Tissue ProteinsPyrantelQuinoxalinesParasympathomimeticsTorpedoCholinergic AgonistsAzetidinesXenopus laevisTetrodotoxinCholineGABA AntagonistsHabenulaRats, WistarPyridinium CompoundsRadioligand AssayReceptors, GABA-BChlorisondamineBrainChromaffin CellsMuscarinic AgonistsTobacco Use DisorderTacrineOocytesCarbacholNeurotoxinsAnimals, NewbornCholinergic FibersQuaternary Ammonium CompoundsIon Channel GatingCells, CulturedMollusk VenomsMuscarinePyramidal CellsMotor NeuronsOxotremorineEpilepsy, Frontal LobeDextrorphan