blood-group antigens
1blood 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… …
2blood 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… …
3MN blood group antigens — A pair of blood group antigens governed by genes that segregate independently of the ABO locus. The alleles are co dominant and there are three types MM, NN, and MN. Glycophorin has M or N activity and this is associated with oligosaccharides… …
4blood 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] * * …
5blood group — blood′ group n. 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 Compare ABO system Rh factor …
6Blood 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 …
7blood 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, ↑ …
8blood group — any one of the many types into which a person s blood may be classified, based on the presence or absence of certain inherited antigens on the surface of the red blood cells. Blood of one group contains antibodies in the serum that react against… …
9ABO 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… …
10Rh 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… …
