A substance found in the liver, that slows the clotting of blood: its sodium salt, taken from animals, is used in surgery and medicine.
Webster's New World
Any of several anticoagulants, such as enoxaparin, that are derived from this compound by depolymerization and have a lower molecular weight and somewhat different pharmacological properties.
American Heritage Medicine
Other Word Forms of Heparin
Origin of Heparin
Late Latin hēpar liver (from Greek yē̃kwr̥ in Indo-European roots) –in
From American Heritage Dictionary of the English Language, 5th Edition
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