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Medical Term:


Pronunciation: kown′ter-im′yū-nō-ĕ-lek′trō-fōr-ē′sis

Definition: A modification of immunoelectrophoresis in which antigen (serum containing hepatitis B virus) is placed in wells cut in the sheet of agar gel toward the cathode and antiserum is placed in wells toward the anode; antigen and antibody, moving in opposite directions, form precipitates in the area between the cells where they meet in concentrations of optimal proportions.