monoamine oxidase
noun
: an enzyme that deaminates monoamines oxidatively and that functions in the nervous system by breaking down monoamine neurotransmitters
Examples of monoamine oxidase in a Sentence
Recent Examples on the Web
Methylene blue inhibits a molecule called monoamine oxidase, whose job is to break down an important brain chemical, serotonin.
—
Lorne J. Hofseth, The Conversation, 3 June 2025
This includes monoamine oxidase inhibitor (MAOI) drugs.
—Ayesha Gulzar, Verywell Health, 4 Feb. 2025
Ayahuasca is a potent psychedelic brew that combines the leaves of the Psychotria viridis plant, which contain the powerful hallucinogen DMT, with the Banisteriopsis caapi vine, rich in monoamine oxidase inhibitors that prevent DMT's breakdown in the digestive system.
—Jack Kelly, Forbes, 26 Sep. 2024
Those classes consist of SSRIs (selective serotonin reuptake inhibitors), SNRIs (serotonin-norepinephrine reuptake inhibitors), TCAs (tricyclic antidepressants), MAOIs (monoamine oxidase inhibitors), and NDRI’s (norepinephrine and dopamine reuptake inhibitors).
—Sandra Rose Salathe, Flow Space, 17 July 2024
Research has shown that an antidepressant called a monoamine oxidase inhibitor (MAOI) can alleviate atypical depression.
—Karen Pallarito, Health, 2 June 2024
Products with pseudoephedrine should not be used while taking, or within two weeks of stopping, a prescription monoamine oxidase inhibitor, which is most commonly used to treat for depression or Parkinson’s disease.
—Lucas Berenbrok, Fortune Well, 26 Oct. 2023
The medications work on an enzyme, monoamine oxidase, that boost levels of serotonin, norepinephrine and dopamine in the brain, easing the symptoms of depression.
—Jodi Helmer, Fortune Well, 26 Mar. 2023
Banisteriopsis caapi is a vine that contains tetrahydroharmine, harmine, and harmaline, β-carbolinic alkaloids which are monoamine oxidase inhibitors.
—Troy Farah, Discover Magazine, 2 Mar. 2018
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Lorne J. Hofseth, The Conversation, 3 June 2025
This includes monoamine oxidase inhibitor (MAOI) drugs.
—Ayesha Gulzar, Verywell Health, 4 Feb. 2025
Ayahuasca is a potent psychedelic brew that combines the leaves of the Psychotria viridis plant, which contain the powerful hallucinogen DMT, with the Banisteriopsis caapi vine, rich in monoamine oxidase inhibitors that prevent DMT's breakdown in the digestive system.
—Jack Kelly, Forbes, 26 Sep. 2024
Those classes consist of SSRIs (selective serotonin reuptake inhibitors), SNRIs (serotonin-norepinephrine reuptake inhibitors), TCAs (tricyclic antidepressants), MAOIs (monoamine oxidase inhibitors), and NDRI’s (norepinephrine and dopamine reuptake inhibitors).
—Sandra Rose Salathe, Flow Space, 17 July 2024
Research has shown that an antidepressant called a monoamine oxidase inhibitor (MAOI) can alleviate atypical depression.
—Karen Pallarito, Health, 2 June 2024
Products with pseudoephedrine should not be used while taking, or within two weeks of stopping, a prescription monoamine oxidase inhibitor, which is most commonly used to treat for depression or Parkinson’s disease.
—Lucas Berenbrok, Fortune Well, 26 Oct. 2023
The medications work on an enzyme, monoamine oxidase, that boost levels of serotonin, norepinephrine and dopamine in the brain, easing the symptoms of depression.
—Jodi Helmer, Fortune Well, 26 Mar. 2023
Banisteriopsis caapi is a vine that contains tetrahydroharmine, harmine, and harmaline, β-carbolinic alkaloids which are monoamine oxidase inhibitors.
—Troy Farah, Discover Magazine, 2 Mar. 2018
Cite this Entry
“Monoamine oxidase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monoamine%20oxidase. Accessed 15 Jul. 2025.
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