Nicotinic AntagonistsMecamylamineReceptors, NicotinicNicotinic AgonistsDihydro-beta-ErythroidineNicotineChlorisondamineHexamethoniumAconitineTubocurarineParasympathomimeticsIbogaineErabutoxinsMuscarinic AntagonistsGanglionic StimulantsAcetylcholineBungarotoxinsAzocinesConotoxinsGanglionic BlockersCholinergic AntagonistsHexamethonium CompoundsPhysostigmineScopolamine HydrobromideQuinolizinesReceptors, Muscarinicalpha7 Nicotinic Acetylcholine ReceptorBicyclo Compounds, HeterocyclicAtropineCholinergic AgonistsDose-Response Relationship, DrugRats, Sprague-DawleyReceptors, CholinergicPyridinesCarbacholSelf AdministrationHormone AntagonistsSynaptic TransmissionElectric StimulationNeuronsMembrane PotentialsDopamine AntagonistsExcitatory Amino Acid AntagonistsNeurokinin-1 Receptor AntagonistsNarcotic AntagonistsHistamine H2 AntagonistsAction PotentialsInterleukin 1 Receptor Antagonist ProteinGABA AntagonistsHistamine H1 AntagonistsPurinergic P1 Receptor AntagonistsPiperidinesHistamine AntagonistsAdenosine A2 Receptor AntagonistsAdrenergic alpha-1 Receptor AntagonistsPurinergic P2 Receptor AntagonistsSerotonin 5-HT3 Receptor AntagonistsSerotonin 5-HT2 Receptor AntagonistsAdenosine A1 Receptor AntagonistsLeukotriene AntagonistsAngiotensin Receptor AntagonistsRats, WistarAdrenergic alpha-2 Receptor AntagonistsAdrenergic AntagonistsGABA-A Receptor AntagonistsAdrenergic alpha-AntagonistsHistamine H3 AntagonistsRadioligand AssayReceptors, SerotoninReceptors, EndothelinAdrenergic beta-2 Receptor AntagonistsReceptors, N-Methyl-D-AspartateBinding, CompetitiveSerotonin 5-HT1 Receptor AntagonistsCalcium Channel BlockersDizocilpine MaleateGuinea PigsAdenosine A3 Receptor AntagonistsReceptor, Endothelin ABenzazepinesBiphenyl CompoundsEstrogen AntagonistsNaltrexoneDrug InteractionsPiperazinesSulfonamidesCells, CulturedNaloxoneSerotonin Receptor AgonistsXanthinesPurinergic P2X Receptor AntagonistsPyrazolesPeptides, CyclicPurinergic AntagonistsIndolesSubstance PAzepinesAdrenergic beta-AntagonistsPrazosinSerotonin