AcetylcholinesteraseCholinesterase InhibitorsButyrylcholinesteraseCholinesterasesTacrinePhysostigmineOrganothiophosphorus CompoundsChlorpyrifosSomanEndosulfanSarinDichlorvosCholine O-AcetyltransferaseInsecticidesAcetylthiocholineIndansCholinesterase ReactivatorsBrainElectrophorusNeuromuscular JunctionHistocytochemistryParaoxonAcetylcholineTorpedoGalantaminePralidoxime CompoundsIsoflurophateThiocholineBungarusMusclesEdrophoniumPseudocholinesterasePyridostigmine BromideElectric OrganOrganophosphatesPhenylcarbamatesEchothiophate IodideCarbamatesElapid VenomsNeostigmineOximesChemical Warfare AgentsDose-Response Relationship, DrugTetraisopropylpyrophosphamideOrganophosphate PoisoningOrganophosphorus CompoundsRats, WistarBehavior, AnimalEelsMalathionObidoxime ChlorideTrichlorfonCerebral CortexButyrylthiocholinePropoxurTrimedoximeInsecticide Resistance