Definition of monoamine oxidase in English:

monoamine oxidase

(also MAO)

noun

Biochemistry
  • An enzyme (present in most tissues) that catalyzes the oxidation and inactivation of monoamine neurotransmitters.

    • ‘Criminal violence, for example, might be excused as a consequence of low levels of serotonin or monoamine oxidase in the brain.’
    • ‘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.’
    • ‘Initial attention was drawn to hypericin and pseudohypericin since they inhibit the enzyme monoamine oxidase, as do several pharmaceutical antidepressants.’
    • ‘As a nonselective inhibitor of monoamine oxidase, caution is recommended when used with adrenergic or serotonergic agents.’
    • ‘For oral warfarin and drugs that inhibit monoamine oxidase, dietitians review the medical record for appropriateness of diet and visit the patients to determine educational needs.’