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
Adiponectin concentrations in samples processed 0, 24, and 36 h after blood collection in EDTA and sodium heparin.
Contract awarded for event 3852/2015 sodium heparin 5000 iu solution for injection 5ml vial
We compared 89 matched samples drawn into serum, EDTA plasma, LiHep plasma, and sodium heparin (NaHep) plasma tubes.
Contract awarded for Sodium heparin 5000 iu / ml, sc, iv ft 10062.
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
2) suggested similar effects on sodium analyses, but only for sodium heparin.
sodium heparin tube green hemogard lid should indicate the delivery time