| HAREM | heparin assay rapid easy method |
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| HARM | heparin assay rapid method |
| HART | Heparin-Aspirin Reinfarction Trial [not to be confused with HAART |
| HAT | Halsted Aphasia Test; head, arm, trunk; heparin-associated thrombocytopenia; heterophil antibody tit... |
| HATT | heparin-associated thrombocytopenia and thrombosis |
| lock step | A mode of marching by a body of men going one after another as closely as possible, in which the leg of each moves at the same time with the corresponding leg of the person before him. Source: Websters Dictionary (01 Mar 1998) |
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| heparin | <drug> Sulphated mucopolysaccharide, found in granules of mast cells, that inhibits the action of thrombin on fibrinogen by potentiating antithrombins, thereby interfering with the blood clotting cascade. Platelet factor IV will neutralise heparin. (18 Nov 1997) |
| heparin antagonists | Coagulant substances inhibiting the anticoagulant action of heparin. (12 Dec 1998) |
| heparin binding growth factor | <growth factor> Acidic fibroblast growth factor (alpha FGF, HBGF 1) and basic FGF (beta FGF, HBGF 2) are the two founder members of a family of structurally related growth factors for mesodermal or neuroectodermal cells. Synonym: heparin binding growth factor. Acronym: FGF (18 Nov 1997) |
| heparin cofactor II | <chemical> A sulfated plasma protein with the mw of approximately 66kda. The protein is an inhibitor of thrombin in plasma that is activated by dermatan sulfate or heparin. It is a member of the serpin superfamily. Pharmacological action: serine proteinase inhibitors. Chemical name: Heparin cofactor II (12 Dec 1998) |
| heparin complement | The protein component of heparin in blood. (05 Mar 2000) |
| heparin eliminase | <enzyme> An enzyme of the isomerase class that catalyses the eliminative cleavage of polysaccharides containing 1,4-linked d-glucuronate or l-iduronate residues and 1,4-alpha-linked 2-sulfoamino-2-deoxy-6-sulfo-d-glucose residues to give oligosaccharides with terminal 4-deoxy-alpha-d-gluc-4-enuronosyl groups at their non-reducing ends. Chemical name: heparin lyase Registry number: EC 4.2.2.7 (12 Dec 1998) |
| heparin-glucosamine 3-O-sulfotransferase | <enzyme> Reaction: 3'-phosphoadenylylsulfate + heparin-glucosamine = adenosine 3',5'-bisphosphate + heparin glucosamine 3-o-sulfate Registry number: EC 2.8.2.23 Synonym: glucosaminyl 3-o-sulfotransferase, d-glucosaminyl 3-o-sulfotransferase (26 Jun 1999) |
| heparin, low-molecular-weight | <chemical> Heparin fractions with a molecular weight usually between 4000 and 6000 kD. These low-molecular-weight fractions are effective antithrombotic agents. Their administration reduces the risk of haemorrhage, they have a longer half-life, and their platelet interactions are reduced in comparison to unfractionated heparin. They also provide an effective prophylaxis against postoperative major pulmonary embolism. Pharmacological action: anticoagulant, fibrinolytic agent. (12 Dec 1998) |
| heparin lyase | <enzyme> An enzyme of the isomerase class that catalyses the eliminative cleavage of polysaccharides containing 1,4-linked d-glucuronate or l-iduronate residues and 1,4-alpha-linked 2-sulfoamino-2-deoxy-6-sulfo-d-glucose residues to give oligosaccharides with terminal 4-deoxy-alpha-d-gluc-4-enuronosyl groups at their non-reducing ends. Chemical name: heparin lyase Registry number: EC 4.2.2.7 (12 Dec 1998) |
| heparin unit | The quantity of heparin required to keep 1 ml of cat's blood fluid for 24 hr at 0캜; it is equivalent approximately to 0.002 mg of pure heparin. Synonym: Howell unit. (05 Mar 2000) |