human leukocyte antigen

(redirected from Hla-b antigens)
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human leukocyte antigen

[¦yü·mən ¦lü·kə‚sīt ′ant·i·jən]
(immunology)
Any of a group of antigens present on the surface of nucleated body cells that are coded for by the major histocompatibility complex of humans and thus allow the immune system to distinguish self and nonself. Abbreviated HLA.
References in periodicals archive ?
The class I HLA types are identified in the mother and at least one of the possible fathers using the conventional lymphocytotoxicity procedure with a large battery of commercially available HLA typing sera that distinguish approximately 20 different HLA-A antigens, 40 different HLA-B antigens, and 8 different HLA-C antigens.