3.1 Antigens
  • Antigen:  A protein or oligosaccharide marker on the surface of cells that identifies the cell as self or non-self; identifies the type of cell, e.g., skin, kidney; stimulates the production of antibodies, by B lymphocytes, that will neutralize or destroy the cell if necessary; and stimulates cytotoxic responses by granulocytes, monocytes, and lymphocytes.
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