tricyclic antidepressant
noun Date: 1966 any of a group of antidepressant drugs (as imipramine and amitriptyline) that contain three fused benzene rings, potentiate the action of catecholamines (as norepinephrine and serotonin) by inhibiting their uptake by nerve endings, and do not inhibit the action of monoamine oxidase — called also tricyclic

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Tricyclic antidepressant — Tricyclic antidepressants (abbreviation TCAs) are a class of antidepressant drugs first used in the 1950s. They are named after the drugs molecular structure, which contains three rings of atoms (compare tetracyclic antidepressant). Example… …   Wikipedia

  • Tricyclic antidepressant — One of a class of medications used to treat depression. The tricyclic antidepressants are also used for some forms of anxiety, fibromyalgia, and the control of chronic pain. Tricyclic refers to the presence of three rings in the chemical… …   Medical dictionary

  • tricyclic antidepressant — noun an antidepressant drug that acts by blocking the reuptake of norepinephrine and serotonin and thus making more of those substances available to act on receptors in the brain • Syn: ↑tricyclic, ↑tricyclic antidepressant drug • Hypernyms:… …   Useful english dictionary

  • tricyclic antidepressant — see antidepressant …   The new mediacal dictionary

  • tricyclic antidepressant — /traɪˌsaɪklɪk ˌæntidəˈprɛsənt/ (say truy.suyklik .anteeduh presuhnt) noun an antidepressant which has three rings in its chemical structure …   Australian English dictionary

  • tricyclic antidepressant — A type of drug used to treat depression …   English dictionary of cancer terms

  • tricyclic antidepressant drug — noun an antidepressant drug that acts by blocking the reuptake of norepinephrine and serotonin and thus making more of those substances available to act on receptors in the brain • Syn: ↑tricyclic, ↑tricyclic antidepressant • Hypernyms:… …   Useful english dictionary

  • Антидепрессант Трициклический (Tricyclic Antidepressant) — см. Антидепрессант. Источник: Медицинский словарь …   Медицинские термины

  • Antidepressant — Fluoxetine (Prozac), an SSRI The chemical structure of …   Wikipedia

  • antidepressant — /an tee di pres euhnt, an tuy /, Pharm. adj. 1. of or pertaining to a substance that is used in the treatment of mood disorders, as characterized by various manic or depressive affects. n. 2. Also called energizer, psychic energizer. any such… …   Universalium

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