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 — 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 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
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 … New Collegiate 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 …
tricyclic antidepressant — A type of drug used to treat depression … English dictionary of cancer terms
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
antidepressant — 1. Counteracting depression. 2. An agent used in treating depression. tetracyclic a. a class of antidepressants similar to the tricyclic antidepressants and also related to the phenothiazine antipsychotics; e.g., maprotiline. triazolopyridine a.… … Medical dictionary