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a blood group consisting of multiple erythrocytic antigens, especially three pairs of alternates, determined by complex genes at one locus, including an amorph; also regulated by the X chromosome, it is associated with sex-linked chronic granulomatous disease. One antigen, K6, is more frequent in people of African descent.Medical dictionary. 2011.
Kell blood group system — ▪ physiology classification of human blood based on the presence on the surfaces of red blood cells (erythrocyte) of various antigens (antigen) encoded by the KEL gene. The system, discovered in 1946, is characterized by a high degree of… … Universalium
blood group — Med. any of various classes into which human blood can be divided according to immunological compatibility, based on the presence or absence of specific antigens on red blood cells. Also called blood type. Cf. ABO system, Rh factor. [1915 20] * * … Universalium
Blood group — An inherited feature on the surface of the red blood cells. A series of related blood types constitute a blood group system such as the Rh or the ABO system. The frequencies of the ABO and Rh blood types vary from population to population. In the … Medical dictionary
blood group antigens — The set of cell surface antigens found chiefly, but not solely, on blood cells. More than fifteen different blood group systems are recognized in humans. There may be naturally occurring antibodies without immunization, especially in the case of… … Dictionary of molecular biology
K blood group, k blood group — See Kell blood group, Blood Groups appendix … Medical dictionary
Lutheran blood group — a complex blood group system consisting of antigens Lua and Lub; it somewhat resembles the Kell group in having pairs of alternative antigens and amorphic genes, but is also subject to a dominant independently segregating repressor … Medical dictionary
Blood type — (or blood group) is determined, in part, by the ABO blood group antigens present on red blood cells. A blood type (also called a blood group) is a classification of blood based on the presence or absence of inherited antigenic substances on the… … Wikipedia
Kell — kel adj of, relating to, or being a group of allelic red blood cell antigens of which some are important causes of transfusion reactions and some forms of erythroblastosis fetalis <Kell blood group system> <Kell blood typing> Kell… … Medical dictionary
Rh blood group system — Rh redirects here. For Siddharta, see Rh (album). For the band, see The RH Factor. The Rh (Rhesus) blood group system (including the Rh factor) is one of the currently 30 human blood group systems. It is clinically the most important blood group… … Wikipedia
ABO blood group system — ABO redirects here. For other uses, see ABO (disambiguation). H substance redirects here. For use in inflammation, see histamine. ABO blood group antigens present on red blood cells and IgM antibodies present in the serum The ABO blood group… … Wikipedia
