tetracyclic


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tetracyclic

/tet·ra·cyc·lic/ (tet″rah-sik´lik) containing four fused rings or closed chains in the molecular structure.
References in periodicals archive ?
Depression: selective serotonin reuptake inhibitors (SSRIs), mirtazapine, tricyclics, tetracyclic agents
For comparison purposes, the author cited a meta-analysis examining the antidepressant effects of tricyclic and tetracyclic agents in patients with poststroke depression, where the effect size was 0.
Venalafaxine is a phenylethylamine bicyclic derivative, chemically unrelated to tricyclic, tetracyclic or other available antidepressantagents.
Consequently, a typical cyperoid flower is tetracyclic with two alternating whorls of three perianth members, one whorl of three stamens opposite the outer perianth parts, and a trimerous gynoecium (e.
Other constituents include [beta]-sitosterol, [alpha] and [beta] amyrins, lupeol, tetracyclic triterpenes, fatty acids, tannins and glycosides.
O-T prolongation and torsades de pointes ventricular tachycardia produced by the tetracyclic antidepressant agent maprotiline.
Editor's note: Some commercially available cat's claw preparations contain compounds called tetracyclic oxindole alkaloids (TOAs) and pentacyclic oxindole alkaloids (POAs) at levels that may have an anti-hypertensive effect, and thus should not be used with antihypertensive (blood-pressure-lowering) drugs.
The second chemotype contains tetracyclic oxindole alkaloids that inhibit the immunomodulating effects (Planta Med.
Steroids are tetracyclic cyclopenta[a] phenanthrene skeletal compounds that pass through cell membranes and bind to cytoplasmic receptors, forming a new complex that binds to DNA.
Mirtazapine is a tetracyclic antidepressant that increases the amount of norepinephrine and serotonin in the brain through an unknown mechanism, possibly by presynaptic receptor inhibition, thus possibly increasing norepinephrine and serotonergic activity (Physicians' Desk Reference, 2004).
000003 Tetracyclic or four-ring PAH organic compounds 2,3-Benzofluorene 0.
Pharmacy codes included: (1) monoamine oxidase inhibitors (MAOIs), (2) tricyclic antidepressants, (3) tetracyclic antidepressants, (4) selective serotonin reuptake inhibitors (SSRIs), (5) serotonin 2-receptor antagonists, (6) alpha-2-receptor antagonists, and (7) other miscellaneous antidepressants (e.