heparin

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heparin

(hĕp`ərĭn), anticoagulantanticoagulant
, any of several substances that inhibit blood clot formation (see blood clotting). Some anticoagulants, such as the coumarin derivatives bishydroxycoumarin (Dicumarol) and warfarin (Coumadin) inhibit synthesis of prothrombin, a clot-forming substance, and other
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 produced by cells in many animals. A polysaccharide, heparin is found in the human body and occurs in greatest concentration in the tissues surrounding the capillaries of the lungs and the liver. The substance, extracted from animal tissues, is used clinically to delay blood clottingblood clotting,
process by which the blood coagulates to form solid masses, or clots. In minor injuries, small oval bodies called platelets, or thrombocytes, tend to collect and form plugs in blood vessel openings.
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heparin

[′hep·ə·rən]
(biochemistry)
An acid mucopolysaccharide acting as an antithrombin, antithromboplastin, and antiplatelet factor to prolong the clotting time of whole blood; occurs in a variety of tissues, most abundantly in liver.
References in periodicals archive ?
Control samples performed as anticipated: all clotted samples failed to produce metaphase cells and all specimens collected in sodium heparin produced metaphase cells sufficient for analysis.
The early years--use of liquid sodium heparin solution
Call for quotations for the supply of sodium heparin vacuettes for blood sampling 10ml
(1) Specifically, sodium heparin is not known to affect the determination of digoxin, nor are EDTA or citrate.
Adiponectin concentrations in samples processed 0, 24, and 36 h after blood collection in EDTA and sodium heparin. EDTA samples (n=12) Geometric mean 95% Cl P (a) Adiponectin, mg/L 0 h 13.07 9.17-18.61 24 h 13.11 9.94-17.28 0.96 36 h 15.70 11.37-21.67 0.05 Sodium-heparin samples (n=12) Geometric mean 95% Cl P (a) Adiponectin, mg/L 0 h 13.70 10.67-17.59 24 h 14.33 11.34-18.11 0.44 36 h 13.87 11.00-17.49 0.85 (a) Compared with adiponectin concentrations at 0 h (paired Rest of geometric means).
We compared 89 matched samples drawn into serum, EDTA plasma, LiHep plasma, and sodium heparin (NaHep) plasma tubes.
Order of Interior Tube top color filling Additive Separator coating Royal-blue 1 None None None Red 2 None None Silicone Tiger stripe 3 Clot activator Yes Silicone Royal-blue 4 Sodium heparin None None Green tiger stripe 5 Lithium heparin Yes None Lavender 6 Potassium EDTA None None Green 7 Lithium heparin None None
Contract awarded for event 3852/2015 sodium heparin 5000 iu solution for injection 5ml vial
(2) suggested similar effects on sodium analyses, but only for sodium heparin. The intended use of the Chiron capillary tubes (model no.
Contract awarded for Sodium heparin 5000 iu / ml, sc, iv ft 10062.
Four different types of Vacutainer Tubes were purchased from Becton Dickinson, including a plasma tube with heparin (sodium heparin), a whole blood tube with liquid EDTA ([K.sub.3], 15%), a whole blood tube with 0.129 mol/L buffered sodium citrate (3.8% sodium citrate), and a serum separation tube.