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.

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]

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]
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
Translations

re·a·gin

n. reagina, anticuerpo usado en el tratamiento de alergias que estimula la producción de histamina.
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.
We gave up two talented players and a third to come, so this deal was not a salary dump," Reagins said.
You do those things well, you can compete," Angels general manager Tony Reagins said.