reagin

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re·a·gin

 (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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

reagin

(ˈrɪədʒɪn)
n
(Biochemistry) immunol a type of antibody that is formed against an allergen and is attached to the cells of a tissue. The antigen–antibody reaction that occurs on subsequent contact with the allergen causes tissue damage, leading to the release of histamine and other substances responsible for an allergic reaction
[C20: from German reagieren to react + -in]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

re•a•gin

(riˈeɪ dʒɪn, -gɪn)

n.
1. an antibody formed in response to syphilis in various blood tests for the disease.
2. an antibody found in certain human allergies, as hay fever and asthma.
[1910–15; < German Reagin=reag(ieren) to react + -in -in1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.reagin - an immunoglobulin E that is formed as an antibody against allergens (such as pollen); attaches to cell membranes causing the release of histamine and other substances responsible for the local inflammation characteristic of an allergy
IgE, immunoglobulin E - one of the five major classes of immunoglobulins; present primarily in the skin and mucous membranes
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

re·a·gin

n. reagina, anticuerpo usado en el tratamiento de alergias que estimula la producción de histamina.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
MLB -- Named Tony Reagins senior vice president for youth programs.
In 2 of the 21 patients presenting allergic symptoms, the Prausnitz-Kustner (P-K) skin test (which detects reagins in patient serum based on the skin reaction) was performed and the results showed positive reactions to Japanese cedar pollen.
immune reactions of allergen and specific IgE-antibodies reagins of the cytoplasma surface of the cell-targets.