monoamine oxidase

noun Biochemistry.

a copper-containing enzyme that catalyzes the breakdown of monoamines. Abbreviation: MAO

Origin of monoamine oxidase

First recorded in 1950–55 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for monoamine oxidase

monoamine oxidase


biochem an enzyme present in nerve tissue that is responsible for the inactivation of neurotransmittersAbbreviation: MAO
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for monoamine oxidase

monoamine oxidase


An enzyme in the cells of most tissues that catalyzes the oxidative deamination of monoamines such as serotonin.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.