acetylcholinesterase

acetylcholinesterase
The cholinesterases that hydrolyze acetylcholine to acetate and choline within the central nervous system and at peripheral neuroeffector junctions ( e.g., motor endplates and autonomic ganglia). SYN: choline esterase I, “e”-type cholinesterase, specific cholinesterase, true cholinesterase.

* * *

ace·tyl·cho·lin·es·ter·ase -.kō-lə-'nes-tə-.rās, -.rāz n an enzyme that occurs esp. in some nerve endings and in the blood and promotes the hydrolysis of acetylcholine

* * *

n.

* * *

ac·e·tyl·cho·lin·es·ter·ase (AChE) (as″ə-təl-) (as″ə-tēl-ko″lĭ-nesґtə-rās) [EC 3.1.1.7] an enzyme of the hydrolase class that catalyzes the cleavage of acetylcholine to choline and acetate; it is found in the central nervous system, particularly in gray matter of nerve tissue, in red blood cells, and in motor endplates of skeletal muscle. Called also choline esterase I and true cholinesterase. Cf. cholinesterase.

Medical dictionary. 2011.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Acetylcholinesterase — Acetylcholinesterase, also known as AChE, is an enzyme that degrades (through its hydrolytic activity) the neurotransmitter acetylcholine, producing choline and an acetate group. It is mainly found at neuromuscular junctions and cholinergic… …   Wikipedia

  • Acetylcholinesterase — Vorhandene Strukturdaten …   Deutsch Wikipedia

  • acetylcholinesterase — n. 1. an enzyme which exists in nerve cells and hydrolyses acetylcholine into choline and acetic acid. Note: It is essential for neurotransmission at autonomous synapses and neuromuscular junctions, and its inhibition by acetylcholinesterase… …   The Collaborative International Dictionary of English

  • acétylcholinestérase — ● acétylcholinestérase nom féminin Enzyme catalysant spécifiquement l hydrolyse de l acétylcholine en acide acétique et choline …   Encyclopédie Universelle

  • Acetylcholinesterase — Acetylcholinesterase, Enzym, das an den postsynaptischen Membranen cholinerger Synapsen vorkommt und die Spaltung des Transmitters ⇒ Acetylcholin in Cholin und Acetat katalysiert, wodurch eine Dauererregung verhindert wird …   Deutsch wörterbuch der biologie

  • acetylcholinesterase — acetilcholinesterazė statusas T sritis chemija apibrėžtis Fermentas, katalizuojantis acetilcholino hidrolizę. atitikmenys: angl. acetylcholinesterase rus. ацетилхолинэстераза …   Chemijos terminų aiškinamasis žodynas

  • Acetylcholinesterase inhibitor — Acetylcholine …   Wikipedia

  • acetylcholinesterase inhibitor — any one of a class of drugs that block the action of acetylcholinesterase (see cholinesterase), an enzyme that quickly breaks down the neurotransmitter acetylcholine. This neurotransmitter is central to the functional interconnection between… …   Medical dictionary

  • acetylcholinesterase inhibitor — any one of a class of drugs that block the action of acetylcholinesterase (see cholinesterase), an enzyme that quickly breaks down the neurotransmitter acetylcholine. This neurotransmitter is central to the functional interconnection between… …   The new mediacal dictionary

  • acetylcholinesterase — noun Date: 1938 an enzyme that occurs especially in some nerve endings and in the blood and promotes the hydrolysis of acetylcholine …   New Collegiate Dictionary

  • acetylcholinesterase — /euh seet l koh leuh nes teuh rays , rayz , euh set , as i tl /, n. Biochem. an enzyme that hydrolyzes the neurotransmitter acetylcholine: its action is blocked by nerve gases and certain drugs. [1945 50; ACETYLCHOLINE + ESTERASE] * * * …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”