isoantigen /iso·an·ti·gen/ (-jen) an antigen existing in alternative (allelic) forms, thus inducing an immune response when one form is transferred to members who lack it; typical isoantigens are the blood group antigens.
isoantigen
i·so·an·ti·gen (  s - n t -j n)n. An antigenic substance present in some members of a species and capable of stimulating antibody production in those members that lack it. Also called alloantigen. |
isoantigen
[ī′sō·an′tijən]
Etymology: Gk, isos + anti, against; AS, boding, body; Gk, Geenen, to produce
a substance present in some members of a species that stimulates production of antibodies in other members of the species. An example is a blood group antigen. Also called alloantigen. Compare autoantigen, autoimmune disease. See also antigen, isoagglutinogen.
isoantigen
alloantigen.
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