ANALYSIS LABORATORY
Photo essay from laboratory. Cartridges of blood phenotype and research of red cell antibodies, used that have to be eliminated. Cartridge on the top : blood phenotype Rhesus and Kell. In addition to the ABO system, red blood cells carry antigens belonging to various other systems of the blood group of which Rhesus (C, c, D, E, e), Kell (K, k), Duffy and Kidd. Here, the cartridge enables to make the Rhesus (C, E, c, e) and Kell (K) phenotype. Cartridge on the bottom : human antiglobulin test (AHG). This test, also named Coombs test, enables to research the presence of red cell antibodies (RAI). Red cell antibodies (or hemolysins) are antibodies present in certains individuals, directed again antigens of foreign red corpuscles ; they have developped following a transfusion or a pregnancy with foeto-maternal incompatibility. Their presence must be determined before a transfusion or a second pregnancy to avoid hemolytic accidents.
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Photo credit: © CHASSENET / BSIP / Alamy / Afripics
License: Licensed
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