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heparin

[hep-uh-rin] /ˈhɛp ə rɪn/
noun
1.
Biochemistry. a polysaccharide, occurring in various tissues, especially the liver, and having anticoagulent properties.
2.
Pharmacology. a commercial form of this substance, obtained from the liver and lungs of domesticated food animals, that when injected into the blood prevents coagulation: used chiefly in the treatment of thrombosis.
Origin
1915-1920
1915-20; < Greek hêpar the liver + -in2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for heparin
  • The test may also be used to monitor patients who are taking heparin, a blood thinner.
  • But heparin, a frequently prescribed anticoagulant drug, is made from the lungs and bovine mucosa.
British Dictionary definitions for heparin

heparin

/ˈhɛpərɪn/
noun
1.
a polysaccharide, containing sulphate groups, present in most body tissues: an anticoagulant used in the treatment of thrombosis
Derived Forms
heparinoid, adjective
Word Origin
C20: from Greek hēpar the liver + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for heparin
n.

substance found in the liver, lungs and other tissues, 1918, from Greek hepar "liver" (see hepatitis) + -in (2).

Online Etymology Dictionary, © 2010 Douglas Harper
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heparin in Medicine

heparin hep·a·rin (hěp'ər-ĭn)
n.
A complex organic acid that is found especially in lung and liver tissue, has a mucopolysaccharide as its active constituent, prevents platelet agglutination and blood clotting, and is used in the form of its sodium salt in the treatment of thrombosis.


hep'a·rin'i·za'tion (-ə-rĭn'ĭ-zā'shən) n.
hep'a·rin·ize' (-ər-ə-nīz') v.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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heparin in Science
heparin
  (hěp'ər-ĭn)   
An acidic glycosaminoglycan found especially in lung and liver tissue that prevents the clotting of blood and is used intravenously in the treatment of thrombosis and embolism.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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