[mon-oh-uh-meen, -am-in] /ˌmɒn oʊ əˈmin, -ˈæm ɪn/
any of various biogenic neurotransmitters having a single amino group, as dopamine, epinephrine, and norepinephrine.
a substance, such as adrenaline, noradrenaline, or serotonin, that contains a single amine group
monoamine mon·o·am·ine (mŏn’ō-ām’ēn, -ə-mēn’)
An amine compound containing one amino group, especially a compound that functions as a neurotransmitter.
An amine compound containing one amino group (NH2), especially such a compound that functions as a neurotransmitter. The catecholamines and serotonin are monoamines. Abnormal levels of monoamines in the brain have been implicated in mood disorders.
noun, Pharmacology. 1. any of various substances, as isocarboxazid and phenelzine, that block enzymatic breakdown of certain monoamine neurotransmitters: used to treat severe depression. Abbreviation: MAOI. noun 1. (biochem) an agent that inhibits the action of monoamine oxidase. Such inhibitors are used in the treatment of depression MAOI monoamine oxidase inhibitor n. Abbr. MAOI Any […]
noun, Biochemistry. 1. a copper-containing enzyme that catalyzes the breakdown of monoamines. Abbreviation: MAO. noun 1. (biochem) an enzyme present in nerve tissue that is responsible for the inactivation of neurotransmitters MAO monoamine oxidase n. Abbr. MAO An enzyme in the cells of most tissues that catalyzes the oxidative deamination of monoamines such as serotonin.
monoaminergic mon·o·am·i·ner·gic (mŏn’ō-ām’ə-nûr’jĭk) adj. Of or being nerve cells or fibers that transmit nerve impulses by monoamine neurotransmitters.
[mon-oh-uh-moh-nee-uh m, mon-] /ˈmɒn oʊ əˈmoʊ ni əm, ˌmɒn-/ noun, Chemistry. 1. a white, crystalline, moderately water-soluble compound, NH 4 H 2 PO 4 , used as fertilizer, in fire extinguishers, etc.