Binding, CompetitiveNicotinic AntagonistsDose-Response Relationship, DrugPurinergic P2 Receptor AntagonistsExcitatory Amino Acid AntagonistsTubocurarineAlcuroniumReceptors, NicotinicAdrenergic alpha-AntagonistsGABA AntagonistsMuscarinic AntagonistsGallamine TriethiodideGuinea PigsRadioligand AssayReceptors, N-Methyl-D-AspartateAdrenergic alpha-1 Receptor AntagonistsRats, Sprague-DawleyPiperidinesPancuroniumIsothiuroniumMuscle ContractionHormone Antagonists2-Amino-5-phosphonovalerateRats, WistarStrychnineReceptors, SerotoninBungarotoxinsBis-Trimethylammonium CompoundsDihydro-beta-ErythroidineDopamine AntagonistsGABA-A Receptor AntagonistsNeurokinin-1 Receptor AntagonistsPyridazinesReceptors, NeurotransmitterReceptors, GlycinePrazosinCrotonatesSerotonin AntagonistsDrug InteractionsBenzoylcholineNarcotic AntagonistsDrug AntagonismGlycineMuscle, SmoothPurinergic P2 Receptor AgonistsIleumHistamine H2 AntagonistsVas DeferensDizocilpine MaleateDioxanesStructure-Activity RelationshipKynurenic AcidKineticsInterleukin 1 Receptor Antagonist ProteinLigandsTropanesReceptors, Adrenergic, alphaSuraminBenzodiazepinonesReceptors, Purinergic P2Y1TorpedoPyridinesCysteine Loop Ligand-Gated Ion Channel ReceptorsReceptors, DrugReceptors, TachykininCells, CulturedReceptors, MuscarinicCHO CellsAcetylcholineQuinoxalinesReceptors, PurinergicReceptors, Purinergic P2Bicyclo Compounds, HeterocyclicReceptors, GABA-AReceptors, Adrenergic, alpha-1Binding SitesTetrahydronaphthalenesgamma-Aminobutyric AcidN-MethylaspartateCricetinaeCapsaicinNorepinephrineParasympatholyticsPiperazinesCalciumElectrophysiologyNicotinic AgonistsHistamine H1 AntagonistsPurinergic P1 Receptor AntagonistsPatch-Clamp TechniquesAdrenergic alpha-AgonistsPirenzepineAllosteric RegulationMolecular Sequence DataBicucullineGlutamic AcidSerotoninCell LineThioureaPicrotoxin