Sulphated mucopolysaccharide, found in granules of mast cells, that inhibits the action of thrombin on fibrinogen by potentiating anti-thrombins, thereby interfering with the blood-clotting cascade. Platelet factor IV will neutralise heparin.

Dictionary of molecular biology. 2004.

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  • Heparin — Systematic (IUPAC) name see Hep …   Wikipedia

  • Heparin — Heparin, Polysaccharid, das die Blutgerinnung durch Hemmung der Umwandlung von Prothrombin in Thrombin und durch Hemmung der Thrombinwirkung verhindert. H. ist aus Glucosamin N Schwefelsäure und Schwefelsäureestern der Glucuronsäure und… …   Deutsch wörterbuch der biologie

  • heparin — substance found in the liver, lungs and other tissues, 1918, from from Gk. hepar liver (see HEPATITIS (Cf. hepatitis)) + IN (Cf. in) (2) …   Etymology dictionary

  • heparin — hepàrīn m <G heparína> DEFINICIJA kem. tvar dobivena iz jetre, sprečava zgrušavanje krvi, važna u transfuziji i preventivi tromboze ETIMOLOGIJA grč. hȇpar: jetra + in …   Hrvatski jezični portal

  • heparin — ☆ heparin [hep′ə rin ] n. [Gr hēpar, the liver (see HEPATIC) + IN1] a substance found in the liver, that slows the clotting of blood: its sodium salt, taken from animals, is used in surgery and medicine …   English World dictionary

  • Heparin — Strukturformel Allgemeines Name Heparin Andere Namen …   Deutsch Wikipedia

  • heparin — /hep euh rin/, n. 1. Biochem. a polysaccharide, occurring in various tissues, esp. the liver, and having anticoagulent properties. 2. Pharm. a commercial form of this substance, obtained from the liver and lungs of domesticated food animals, that …   Universalium

  • Heparin — An anticoagulant (anti clotting) medication. Heparin is useful in preventing thromboembolic complications (clots that travel from their site of origin through the blood stream to clog up another vessel). Heparin is also used in the early… …   Medical dictionary

  • Heparin — He|pa|rin 〈n.; s; unz.; Med.〉 aus der Leber gewonnener Stoff mit gerinnungshemmenden Eigenschaften [<grch. hepar „Leber“] * * * He|pa|rin [↑ hepar u. ↑ in (3)], das; s: aus tierischen Organen, haupts. aus Leber u. Darmschleimhaut isolierbare,… …   Universal-Lexikon

  • heparin — n. an anticoagulant produced in liver cells, some white blood cells, and certain other sites, which acts by inhibiting the action of the enzyme thrombin in the final stage of blood coagulation. An extracted purified form of heparin is widely used …   The new mediacal dictionary

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