blood group substances
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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 — noun human blood cells (usually just the red blood cells) that have the same antigens • Syn: ↑blood type • Hypernyms: ↑blood • Hyponyms: ↑A, ↑type A, ↑group A, ↑B, ↑ … Useful english dictionary
blood group antigens — the antigens responsible for specificities of blood groups; those of the ABO and Lewis blood groups were the first to be characterized. They are formed by sequential addition of monosaccharide moieties to any of several different types of… … Medical dictionary
blood group specific substances A B and AB — [USP] a sterile, isotonic solution of the polysaccharide–amino acid complexes that are capable of neutralizing the anti A and the anti B isoagglutinins of group O blood. Specific substance A is usually isolated from hog gastric mucin, and… … Medical dictionary
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
ABO blood group system — ▪ biology method of classifying human blood on the basis of the inherited properties of red blood cells (erythrocyte) (erythrocytes (erythrocyte)) as determined by their possession or lack of the antigens (antigen) A and B, which are carried on… … Universalium
Lewis blood group — A pair of blood group activities associated with the A, B, H substances. Lewis Lea is a separate gene, whereas Leb arises from the combined activity of the enzymes specified by Lea and H genes … Dictionary of molecular biology
blood — bloodlike, adj. /blud/, n. 1. the fluid that circulates in the principal vascular system of human beings and other vertebrates, in humans consisting of plasma in which the red blood cells, white blood cells, and platelets are suspended. 2. the… … Universalium
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
blood grouping — blood group·ing grüp iŋ n BLOOD TYPING * * * the classification of blood according to blood group, done to determine its suitability for transfusion in a given recipient, to settle cases of disputed paternity, and to trace substances in certain… … Medical dictionary
