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Definition of cholinesterase
1 : an enzyme that occurs chiefly at neuromuscular junctions and promotes the hydrolysis of acetylcholine at postsynaptic receptors : acetylcholinesterase
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Recent Examples of cholinesterase from the Web
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These nerve poisons can inhibit an enzyme called cholinesterase, which breaks down a neurotransmitter called acetylcholine.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cholinesterase'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of cholinesterase
1932
Medical Dictionary
cholinesterase
playMedical Definition of cholinesterase
1: an enzyme that occurs chiefly at neuromuscular junctions and promotes the hydrolysis of acetylcholine at postsynaptic receptors : acetylcholinesterase The acetylcholine released by cholinergic fibers is rapidly decomposed by the action of cholinesterase.—John W. Hole, Human Anatomy & Physiology, 1981 As a cholinesterase inhibitor, it increases parasympathetic nervous system activity.—T. A. Farley et. al., The Journal of the American Medical Association, 2 June 1999
Learn More about cholinesterase
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Britannica.com: Encyclopedia article about cholinesterase
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