reagin
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reagin
[re´ah-jin]antibody of a specialized immunoglobulin class (IgE) which attaches to tissue cells of the same species from which it is derived, and which interacts with its antigen to induce the release of histamine and other vasoactive amines. A form of cytotropic antibody, it is present in the serum of naturally hypersensitive individuals and can confer specific immediate (type I) hypersensitivity in nonreactive individuals. adj., adj reagin´ic.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
re·a·gin
(rē-ā'jin),1. Wolff-Eisner term for antibody.
2. Old term for the "Wassermann" antibody; not to be confused with the Prausnitz-Küstner antibody.
3. Antibodies that mediate immediate hypersensitivity reactions (IgE in humans).
4. Synonym(s): homocytotropic antibody
Farlex Partner Medical Dictionary © Farlex 2012
reagin
(rē-ā′jĭn)n.
1. An antibody found in the blood of individuals having a genetic predisposition to allergies.
2. A substance present in the blood of individuals having a positive serological test for syphilis.
re′a·gin′ic (rē′ə-jĭn′ĭk) adj.
re′a·gin′i·cal·ly adv.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
re·a·gin
(rē-ā'jin)1. Wolff-Eisner term for antibody.
2. Antibodies that mediate immediate hypersensitivity reactions (IgE in humans).
3. Synonym(s): homocytotropic antibody.
Medical Dictionary for the Dental Professions © Farlex 2012