isoantigenic


i·so·an·ti·gen

I0250200 (ī′sō-ăn′tĭ-jən)n. A protein or other substance, such as histocompatibility or red blood cell antigens, that is present in only some members of a species and therefore able to stimulate isoantibody production in other members of the same species who lack it. Also called alloantigen.
i′so·an′ti·gen′ic (-jĕn′ĭk) adj.i′so·an′ti·ge·nic′i·ty (-jə-nĭs′ĭ-tē) n.

isoantigenic

(ˌaɪsəʊˌæntɪˈdʒɛnɪk) adj (Physiology) immunol relating to an isoantigen or isoantigens