《英文msh词典》HLA A Antigens
[入口词] HLA A Antigens
[主题词] HLA-A Antigens
[英文释义] Polymorphic class I human histocompatibility (HLA) surface antigens present on almost all nucleated cells. At least 20 antigens have been identified which are encoded by the A locus of multiple alleles on chromosome 6. They serve as targets for T-cell cytolytic responses and are involved with acceptance or rejection of tissue/organ grafts.