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platelet |
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platelet: see blood clotting blood 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. ..... Click the link for more information. . plateletor thrombocyteSmall, colourless, irregular blood cell crucial in coagulation. Produced in bone marrow and stored in the spleen, platelets accumulate to block a cut in a blood vessel and provide a surface for fibrin strands to adhere to, contract to pull the strands together, and take part in the conversion sequence of coagulation factors. They also store and transport several chemicals. platelet a minute cell occurring in the blood of vertebrates and involved in clotting of the blood platelet [′plāt·lət] (histology) (hydrology) A small ice crystal which, when united with other such crystals, forms a layer of floating ice, especially sea ice, and serves as seed crystals for further thickening of the ice cover. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Different beads identify different procedures such as blood and platelet transfusion, After noting that "aides disclosed that he was suffering from a low platelet count and had undergone a platelet transfusion," Rosenthal stated that "low platelet counts in the blood are a common finding in a wide range of afflictions, including severe infections, liver disease, end stage cancer and even AIDS. Though estimates vary, about 1 in 2,000 units of platelets is contaminated with measurable amounts of bacteria, and about 1 in 50,000 units has a high enough concentration of bacteria to trigger severe or life-threatening reactions in a person who gets a platelet transfusion. |
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