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Lewis antigen system



Lewis antigen system is a human blood group system based upon genes on chromosome 19. There are two types of Lewis antigens, Lewis a and Lewis b. They are the only red cell antigens which are not produced by the erythrocyte itself. Instead, it is a component of body secretions, and is subsequently adsorbed onto the surface of the erythrocyte.

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Transfusion medicine
General conceptsApheresis  (Plasmapheresis, Plateletpheresis, Leukapheresis) - Blood transfusion - Coombs test - Cross-matching - Exchange transfusion - International Society of Blood Transfusion - Intraoperative blood salvage - ISBT 128 - Transfusion reactions
Human blood group systems  - Blood typeABO - Chido-Rodgers - Colton - Cromer - Diego - Dombrock - Duffy - Gerbich - GIL - Hh - Ii - Indian - JMH - Kell (Xk) - Kidd - Knops - Landsteiner-Weiner - Lewis - Lutheran - MNS - OK - P - Raph - Rh - Scianna - T-Tn - Xg - Yt
Blood productsBlood donation - Blood substitutes - Cryoprecipitate - Platelets - Plasma - Red blood cells
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Lewis_antigen_system". A list of authors is available in Wikipedia.
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