sensitized antigen

sen·si·tized an·ti·gen

obsolete term for the complex formed when antigen combines with specific antibody; so called because the antigen, by the mediation of antibody, is rendered sensitive to the action of complement.

sen·si·tized an·ti·gen

(sen'si-tīzd an'ti-jen) The complex formed when antigen combines with specific antibody; so called because the antigen, by the mediation of antibody, is rendered sensitive to the action of complement.