Definition of monoamine oxidase in English:

monoamine oxidase

Syllabification: mon·o·a·mine ox·i·dase
(abbreviation: MAO)

noun

Biochemistry
  • An enzyme (present in most tissues) that catalyzes the oxidation and inactivation of monoamine neurotransmitters.
    More example sentences
    • Initial attention was drawn to hypericin and pseudohypericin since they inhibit the enzyme monoamine oxidase, as do several pharmaceutical antidepressants.
    • He believes that high-sensation seekers have reduced dopamine levels because they have low levels of monoamine oxidase, a brain-active enzyme that regulates dopamine and other neurotransmitters.
    • Criminal violence, for example, might be excused as a consequence of low levels of serotonin or monoamine oxidase in the brain.

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