noun
- an antigen present in some but not all individuals of a species that can trigger an immune response when introduced into individuals lacking it
Usage: medical; immunology
Examples
- Blood type antigens are common alloantigens that must be matched for safe transfusions.
- The transplant was rejected because the donor’s alloantigens were incompatible with the recipient’s immune system.
- Researchers studied how alloantigens contribute to organ rejection in kidney transplants.
- HLA alloantigens play a crucial role in tissue compatibility testing.
- The laboratory tested for various alloantigens before the bone marrow transplant procedure.
- Understanding alloantigen diversity helps improve transplant success rates.