Histocompatibility Antigens

**Definition:** A group of antigens that includes both the major and minor histocompatibility antigens. The former are genetically determined by the major histocompatibility complex. They determine tissue type for transplantation and cause allograft rejections. The latter are systems of allelic alloantigens that can cause weak transplant rejection.

**Tree numbers:** - D23.050.301.500 - D23.050.705.552

**Synonyms:** - Histocompatibility Antigen - Transplantation Antigens - Antigens, Transplantation