| quinary | Consisting of five; arranged by fives. <zoology> Quinary system, a fanciful classification based on the hypothesis that each group contains five types. Origin: L. Quinarius, from quini five each, akin to quinque five: cf. F.quinaire. See Five. Source: Websters Dictionary (01 Mar 1998) |
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| quinate | <chemistry> A salt of quinic acid. Alternative forms: kinate. Source: Websters Dictionary (01 Mar 1998) |
| quinate: NAD oxidoreductase | <enzyme> A plant enzyme converting hydroquinic acid (a derivative of the shikimate pathway) to quinic acid. The enzyme is activated by a calcium and calmodulin dependent phosphorylation. (18 Nov 1997) |
| quinazol | <chemistry> A complex nitrogenous base related to cinnoline. Alternative forms: chinazol. Origin: Quinoline + azote. Source: Websters Dictionary (01 Mar 1998) |
| quinazolines | A class of alkaloids that are derived biosynthetically from anthranilic acid. (05 Mar 2000) |
| quinaldine b. |
chemical name: 1-ethyl-2-[3-(1-ethyl-2(1H )quinolylidene)propenyl]quinolinium chloride. A bright blue-green stain, C25H25ClN2, used in the cytodiagnosis of ruptured fetal membranes.
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| quinaldinic acid |
quinaldic acid.
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| quinapril hydrochloride |
an angiotensin-converting enzyme inhibitor used in the treatment of hypertension, alone or in combination with a thiazide diuretic, and congestive heart failure; administered orally.
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| quinazoline |
a bicyclic aromatic ring structure comprising a benzene ring linked to a pyridine derivative having nitrogen substituents at positions 1 and 3; the parent compound of prazosin and related drugs.
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