- 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