Monoamine Oxidase Inhibitor

**Semantic type:** Chemical Viewed Functionally

**Definition:** Any substance that inhibits monoamine oxidase (MAO), an enzyme that catalyzes the oxidative deamination of monoamines and plays a role in the inactivation of neurotransmitters.

**Synonyms:** - MAO Inhibitors - MAO inhibitor - MAOI - monoamine oxidase inhibitor