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histocompatibility antigen
noun
, Immunology.
- any antigen on the surface of tissue or blood cells that provokes the immune response and subsequent rejection when transplanted to an individual of a different antigenic type, thus determining whether the tissues or organs of a donor and recipient are histocompatible.
histocompatibility antigen
noun
- a molecule occurring on the surface of tissue cells that can take several different forms. The differences between histocompatibility antigens are inherited and determine organ transplant rejection
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Word History and Origins
Origin of histocompatibility antigen1
First recorded in 1965–70
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