- tetracyclic antidepressant
- an antidepressant drug that includes four fused rings in its chemical structure.
Medical dictionary. 2011.
tetracyclic antidepressant
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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
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Heterocyclic antidepressant — A Heterocyclic antidepressant inhibits the nerve cells ability reuptake norepinphrine and serotonin. This group of drugs, once the mainstay of treatment, includes tricyclic (tertiary amines amitriptyline and imipramine and their secondary amine… … Wikipedia
atypical antidepressant — any of a number of antidepressant drugs with varying structures and pharmaceutical properties that do not belong to the tricyclic or tetracyclic antidepressants or monoamine oxidase inhibitors … Medical dictionary
