heparin

noun
hep·a·rin | \ˈhe-pə-rən \

Definition of heparin 

: a mucopolysaccharide sulfuric acid ester that is found especially in the liver and lungs, that prolongs the clotting time of blood, and that is used medically in the form of its sodium salt

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Other Words from heparin

heparinized \ˈhe-pə-rə-ˌnīzd \ adjective

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Heparin is an organic compound used to prevent blood from clotting in the heart or blood vessels during and after surgery, and for initial treatment of various heart, lung, or circulatory disorders in which there is an increased risk of blood clotting. A mixture of complex carbohydrate molecules, heparin occurs naturally in liver and lung tissues. It was discovered in 1922 and originally used to prevent clotting in blood taken for laboratory tests.

Examples of heparin in a Sentence

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To continue reading this story, TRY IT NOW Born: July 13, 1950 Jan. 9, 1982: 4-week-old Rolando Santos is injected with the blood thinner heparin at Medical Center Hospital. Sept. 17, 1982: 15-month-old Chelsea Ann McClellan dies. San Antonio Express-News, "Timeline: Genene Jones' path from murder to parole," 18 Apr. 2018 The company provided such common treatments as heparin, hormones, Progesterone, vitamin supplements and diuretics. Andrea Chang, latimes.com, "Patrick Soon-Shiong — immigrant, doctor, billionaire, and soon, newspaper owner — starts a new era at the L.A. Times," 13 Apr. 2018 Its version of the blood-thinner heparin drew plaudits — and a bump in stock prices — after a contamination outbreak in other thinners killed dozens of people. John Wilkens, Pomerado News, "Physician turned entrepreneur begins work with new patients: Union-Tribune and L.A. Times," 13 Apr. 2018 Its version of the blood-thinner heparin drew plaudits — and a bump in stock prices — after a contamination outbreak in other thinners killed dozens of people. John Wilkens, sandiegouniontribune.com, "Physician turned entrepreneur begins work with new patients: Union-Tribune and L.A. Times," 13 Apr. 2018 Among the medicines that could be affected are insulin, epinephrine, heparin, antibiotics, antidepressants, tranquilizers, and vaccines, according to the list released by the U.S. trade representative. Ed Silverman, STAT, "Will the Trump tariffs on China raise drug prices for Americans?," 4 Apr. 2018 Snyder didn’t send him to the hospital but instead treated him with amyl nitrate for angina; heparin, a blood thinner; and morphine for the pain. Marc Siegel, Slate Magazine, "Presidential Health Has Always Been a Well-Kept Secret," 19 Jan. 2017 BevyxXa will compete in the hospital setting with the injectible medications heparin and Sanofi SA's Lovenox, which are typically used for short durations. Reuters, Fortune, "The FDA Approved a New Drug to Prevent Blood Clots," 23 June 2017 Occasionally a drug is an animal product itself, such as the anti-clotting injection heparin or the female hormone product Premarin. Teresa Graedon, The Seattle Times, "Headaches or muscle pain? Tart cherry juice may provide sweet relief," 2 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heparin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of heparin

1918, in the meaning defined above

History and Etymology for heparin

International Scientific Vocabulary, from Greek hēpar liver

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Dictionary Entries near heparin

heortology

hep

HEPA

heparin

hepat-

hepatectomy

hepatic

Statistics for heparin

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Time Traveler for heparin

The first known use of heparin was in 1918

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More Definitions for heparin

heparin

noun
hep·a·rin | \ˈhep-ə-rən \

Medical Definition of heparin 

: a glycosaminoglycan sulfuric acid ester that occurs especially in the liver and lungs, that prolongs the clotting time of blood by preventing the formation of fibrin, and that is administered parenterally in the form of its sodium salt in vascular surgery and in the treatment of postoperative thrombosis and embolism — see liquaemin — compare antiprothrombin, antithrombin

More from Merriam-Webster on heparin

Britannica.com: Encyclopedia article about heparin

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