coumarin(redirected from Pyranocoumarins)
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1. a principle extracted from the tonka bean, from which several anticoagulants are derived that inhibit hepatic synthesis of vitamin K–dependent coagulation factors.
2. any of these derivatives.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
1. A general descriptive term applied to anticoagulants and other drugs derived from dicumarol, a component of the Tonka bean.
2. A fragrant neutral principle obtained from the Tonka bean, Dypterix odorata, and made synthetically from salicylic aldehyde; it is used to disguise unpleasant odors.
[coumarou, native name of Tonka bean]
Farlex Partner Medical Dictionary © Farlex 2012
A fragrant crystalline compound, C9H6O2, present in tonka beans and produced synthetically for use as a fragrance. Coumarin has been banned as a food additive in the United States because it can be toxic in large amounts.
cou′ma·ric (-mər-ĭk) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Fragrant neutral principle obtained from the Tonka bean, Dypterix odorata, and also made synthetically from salicylic aldehyde; used to disguise unpleasant odors.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
A general descriptive term applied to anticoagulants and other drugs derived from dicumarol.
Medical Dictionary for the Dental Professions © Farlex 2012