an enzyme that hydrolyzes the neurotransmitter : its action is blocked by nerve gases and certain drugs.
an enzyme in nerve cells that is responsible for the destruction of acetylcholine and thus for switching off excitation of the nerve
acetylcholinesterase a·ce·tyl·cho·lin·es·ter·ase (ə-sēt’l-kō’lə-něs’tə-rās’, -rāz’)
Any of various enzymes in the blood and in certain tissues that catalyze the hydrolysis of acetylcholine.
a substance, C 5 H 9 NO 3 S, used in solution as an inhalant to dissolve mucus in the treatment of chronic bronchitis, asthma, and emphysema and also used as an antidote in acetaminophen poisoning.
- Acetylene series
. the homologous series of unsaturated, aliphatic hydrocarbons containing one triple bond and having the general formula, C n H 2n+2 , as acetylene, HC≡CH. acetylene series The alkyne series. See under alkyne.
a colorless gas, C 2 H 2 , having an etherlike odor, produced usually by the action of water on calcium carbide or by pyrolysis of natural gas: used especially in metal cutting and welding, as an illuminant, and in organic synthesis. Historical Examples They had put a table at the back of this cave, […]
- Acetylformic acid