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blood substitute |
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blood substitute,
a substance used for a replacement or volume expansion for circulating blood. Plasma, human serum albumin, packed red cells, platelets, leukocytes, and concentrates of clotting factors are often administered in place of whole blood transfusions in the treatment of various disorders. Substances that are sometimes used to expand blood volume include dextran, hetastarch, albumin solutions, or plasma protein fraction. Perfluorocarbon emulsions, although potentially toxic, have been tested as blood substitutes; they are able to carry oxygen to tissues, have a long shelf life without refrigeration, and do not induce antigen-antibody reactions. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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