Rhesus blood group
Human blood group system with allelic red cell antigens C, D and E. The D antigen is the strongest. Red cells from a Rhesus-positive foetus cross the placenta and can sensitise a Rhesus-negative mother, expecially at parturition. The mother\'s antibody may then, in a subsequent pregnancy, cause haemolytic disease of the newborn if the foetus is Rhesus-positive. The disease can be prevented by giving anti-D IgG during the first 72 hours after parturition to mop up D+ red cells in the maternal circulation.

Dictionary of molecular biology. 2004.

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  • Rhesus blood group system — The term Rhesus (Rh) blood group system refers to the 5 main Rhesus antigens (C, c, D, E and e) as well as the many other less frequent Rhesus antigens. The terms Rhesus factor and Rh factor are equivalent and refer to the Rh D antigen… …   Wikipedia

  • 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 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

  • 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

  • Rh blood group system — ▪ biology       system for classifying blood groups (blood group) according to the presence or absence of the Rh antigen, often called the Rh factor, on the cell membranes of the red blood cells (erythrocytes (erythrocyte)). The designation Rh is …   Universalium

  • Human blood group systems — The International Society of Blood Transfusion (ISBT) currently recognises 30 major blood group systems (including the ABO and Rh systems). [cite web |url=http://blood.co.uk/ibgrl/ISBT%20Pages/ISBT%20Terminology%20Pages/Table%20of%20blood%20group%… …   Wikipedia

  • SS blood group tattoo — SS blood group tattoos were worn by members of the Waffen SS during World War II. Basic informationThe SS blood group tattoo was applied, in theory, to all Waffen SS (W SS) members (except members of the British Free Corps). It was a small black… …   Wikipedia

  • ABO blood group system — Probably the best known of the blood group systems, involves a single gene locus that codes for a fucosyl transferase. If the H gene is expressed then fucose is added to the terminal galactose of the precursor oligosaccharide on the red cell… …   Dictionary of molecular biology

  • Rh antibody blood group factor — [from Rhesus monkeys, whose blood was found to contain the factor in 1940] see under antibody, blood group, and factor …   Medical dictionary

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