National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
Send to Printer
monoamine oxidase inhibitor (MAH-noh-uh-MEEN OK-sih-dayz in-HIH-bih-ter)

 A type of drug used to treat depression. It stops the breakdown of certain chemicals in the brain that help improve a person’s mood. A monoamine oxidase inhibitor is a type of antidepressant. Also called MAO inhibitor.

Previous Definitions:molecularly targeted therapy, molecule, mometasone, mometasone furoate, monitor
Next Definitions:monoclonal antibody, monoclonal gammopathy of undetermined significance, monoclonal protein, monocyte, monomer