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 (kō′lə-nĕs′tə-rās′, -rāz′)
Any of several enzymes that catalyze the hydrolysis of esters of choline, especially acetylcholinesterase.


(ˌkəʊlɪˈnɛstəˌreɪs; ˌkɒl-)
(Biochemistry) an enzyme that hydrolyses acetylcholine to choline and acetic acid


(ˌkoʊ ləˈnɛs təˌreɪs, -ˌreɪz, ˌkɒl ə-)

an enzyme, found esp. in the heart, brain, and blood, that hydrolyzes acetylcholine to acetic acid and choline.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cholinesterase - an enzyme that hydrolyses acetylcholine (into choline and acetic acid)
enzyme - any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions


n. colinesterasa, familia de enzimas.
References in periodicals archive ?
The aim of the study was to evaluate the benefit of serial estimation of serum cholinesterase levels in patients with organophosphorous poisoning and correlation of serum cholinesterase levels with clinical severity, monitoring clinical course and predicting the outcome along with the analysis of other parameters.
Other treatment modalities, such as administration of whole blood, fresh frozen plasma, and human serum cholinesterase, have been attempted to hasten the recovery.
Acetyl cholinesterase (AChE) and butyryl cholinesterase (BChE) comprise a family of enzymes which include serine hydrolases.
Should you ever need to take a cholinesterase inhibitor, there are FDA-approved options.
The second randomized to 20 mg memantine or placebo plus any existing cholinesterase inhibitor (ChEI).
Key clinical point: The combination of memantine and a cholinesterase inhibitor significantly improved behavioral symptoms compared to monotherapy in patients with moderate-severe Alzheimer's.
There are two types of cholinesterase responsible for the hydrolysis of ACh and regulation of cholinergic neurotransmission, the acetylcholinesterase (E.
As far as the effects of both of the pesticide are concerned, we found that the highest concentrations of profenofos and carbofuran had affected the cholinesterase level maximum in all of the organs.
There is no substantive scientific evidence that says one of the cholinesterase inhibitors is better than another, so get comfortable with one or two of them," Dr.
Recovery of the bottle of amitraz and normal levels of serum cholinesterase established the correct diagnosis.
Professor Elmar Graessel said: "While we observed a better result for patients with mild to moderate dementia, the result of MAKS therapy on ADAS (Alzheimer's Disease Assessment Scale which determines cognitive function) was at least as good as treatment with cholinesterase inhibitors.
Handlers that are exposed to certain organophosphate and carbamate pesticides--two types of acutely toxic pesticides that attack this enzyme in pests' nervous systems--can also experience a decrease in their cholinesterase levels, which can lead to illness and death if not detected early.