Cholinesterase InhibitorsNeostigminePhysostigmineEdrophoniumEchothiophate IodidePyridostigmine BromidePralidoxime CompoundsAcetylcholinesteraseCholinesterasesMethomylMyasthenia GravisNeuromuscular JunctionIsoflurophateTacrineOrganothiophosphorus CompoundsBalkan PeninsulaMotor EndplateOrganophosphate PoisoningTubocurarineSarinAtropineButyrylcholinesteraseAcetylcholineInsecticidesNeuromuscular Blocking AgentsOrganophosphorus CompoundsGanglia, AutonomicScopolamine HydrobromideNeuromuscular Nondepolarizing AgentsSnake BitesParasympathomimeticsDiaphragmChlorpyrifosCarbamatesThymectomyPhrenic NerveHexamethonium CompoundsReceptors, CholinergicGanglionic BlockersNeuromuscular BlockadeElectric StimulationPharmacologyMusclesCholineMuscarinic AntagonistsMuscle ContractionCarbacholPlant ExtractsSynaptic TransmissionReceptors, MuscarinicIleumAction PotentialsMuscle, SmoothGuinea PigsMembrane PotentialsDose-Response Relationship, DrugTime FactorsBrainRats, Sprague-Dawley