Immunologic Factor
hla antigen
Subclass of:
Histocompatibility Antigens
Definitions related to hla antigens:
  • Antigens determined by leukocyte loci found on chromosome 6, the major histocompatibility loci in humans. They are polypeptides or glycoproteins found on most nucleated cells and platelets, determine tissue types for transplantation, and are associated with certain diseases.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (human leukocyte antigen) A protein found on the surface of white blood cells that helps the body recognize and fight foreign substances.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Human leukocyte antigen (HLA), any of the numerous antigens (substances capable of stimulating an immune response) involved in the major histocompatibility complex (MHC) in humans. The HLA genes encode the cell-surface proteins that are part of the MHC. HLA antigens are programmed by a highly...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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