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Immune response. A response from the body to an antigen that occurs when the antigen is identified as foreign and that induces the production of antibodies and lymphocytes capable of destroying the antigen or making it harmless.
An immune response is based on the ability to distinguish molecules that are part of the body (self) from those that are not (nonself, or foreign). Such molecules that can â¦ elicit an immune response are called antigens. + 2 others found this useful.