单词	acetylcholinesterase
释义	acetylcholinesterase /ˌasɪtʌɪlˌkəʊlɪnˈɛstəreɪz / /ˌasɪtɪlˌkəʊlɪnˈɛstəreɪz/ noun [mass noun] Biochemistry An enzyme that causes rapid hydrolysis of acetylcholine. Its action serves to stop excitation of a nerve after transmission of an impulse.An early favorite target was the vital enzyme acetylcholinesterase, required for hydrolysis of acetylcholine at neuromuscular junctions, and it has been exploited by agrochemical companies in a spectacular manner.... Once released, ACh must be removed rapidly in order to allow repolarization to take place; this step, hydrolysis, is carried out by the enzyme, acetylcholinesterase. All nerve agents act by inhibiting the enzyme acetylcholinesterase, which breaks down the neurotransmitter acetylcholine.
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