Noun immune reaction has 1 sense
  1. immune response, immune reaction, immunologic response - a bodily defense reaction that recognizes an invading substance (an antigen: such as a virus or fungus or bacteria or transplanted organ) and produces antibodies specific against that antigen
    --1 is a kind of reaction, response
    --1 has parts: complement
    --1 has particulars:
     anamnestic response, anamnestic reaction; humoral immune response; cell-mediated immune response; complement fixation
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