inhibitor of cholinesterase

inhibitor of cholinesterase (inhib´itur əv kō´lines´terās),

n a chemical that interferes with the activity of the enzyme cholinesterase.
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First, to what extent does the antimitotic effect of chlorpyrifos extend to its major metabolites, chlorpyrifos oxon, the active inhibitor of cholinesterase, or trichloropyridinol, the catabolic product that is prominent in fetal brain after maternal chlorpyrifos exposure (24), which has been identified almost ubiquitously in urine samples of U.
Other cholinesterase inhibitors in the developmental pipeline include metrifonate, an irreversible inhibitor of cholinesterase, and rivastigmine, whose marketing application is under review at the Food and Drug Administration, he said.

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