isoantigen
[i″so-an´tĭ-jen] an antigen existing in alternative (allelic) forms in a species, thus inducing an
immune response when one form is transferred to members of the species who lack it; typical isoantigens are the blood group antigens.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
i·so·an·ti·gen
(ī'sō-an'ti-jen), 1. An antigenic substance that occurs only in some individuals of a species, such as the blood group antigens of humans. For specific isoantigens of blood groups, see the Blood Groups Appendix.
2. Sometimes used as a synonym of alloantigen.
Farlex Partner Medical Dictionary © Farlex 2012
isoantigen
(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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
i·so·an·ti·gen
(ī'sō-an'ti-jen) 1. An antigenic substance that occurs only in some individuals of a species, such as the blood group antigens of humans.
2. Sometimes used as a synonym of alloantigen.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012