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nounblood serum containing antibodies against specific antigens; provides immunity to a diseasetype of:
Definition that contains antiserum
- serum disease a delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the donor serum
- serum sickness a delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the donor serum
- passive immunity an impermanent form of acquired immunity in which antibodies against a disease are acquired naturally (as through the placenta to an unborn child) or artificially (as by injection of antiserum)