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4 Cards in this Set

  • Front
  • Back
ABO Blood group system
Antigens expressed on red blood cells used for typing human blood for transfusion. Individuals who do not express A or B antigens on their red blood cells naturally form antibodies that interact with them.
Accessory Cell
A cell required to initiate immune responses, often used to describe an antigen-presenting cell.
Accessory Molecule
Molecules other than the antigen receptor and the major histocompatibility complex (MHC) that participate in activation and effector functions of T-lymphocytes.
Acquired immune response
the response of antigen-specific lymphocytes to antigen, including the development of immunologic memory; also known as adaptive immune response.