| blood group a.’s |
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 precursor substances; addition of one moiety produces the Lewis antigen, addition of a second produces the H antigen, and addition of a third produces either the A or the B antigen. Secreted blood group antigens (in individuals with the secretor phenotype) are glycoproteins, and red cell antigens are glycosphingolipids; the oligosaccharide chains determining blood group specificity are the same in both.
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| blood group s. |
blood group.
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| blood group s.’s |
see under antigen.
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| blood group specific s.’s A, B, and AB |
[USP] a sterile, isotonic solution of the polysaccharideamino 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 specific substance B usually from the glandular portion of horse gastric mucosa. Used for the immunization of plasma donors in the production of reagents for in vitro diagnosis.
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| blood grouping s.’s |
[USP] preparations containing particular antibodies against red cell antigens, used for blood typing. Those most commonly used are the anti-A and anti-B blood grouping serums, used to determine ABO blood types, and the anti-Rh blood grouping serums (anti-D, anti-C, anti-E, anti-c, and anti-e), used to determine Rh blood types.
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