reagin
[ ree-ey-jin, -gin ]
/ riˈeɪ dʒɪn, -gɪn /
noun Immunology.
Also called Wassermann antibody. an antibody formed in response to syphilis and reactive with cardiolipin in various blood tests for the disease.
an antibody found in certain human allergies, as hay fever and asthma.
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Origin of reagin
Words nearby reagin
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British Dictionary definitions for reagin
reagin
/ (ˈrɪədʒɪn) /
noun
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
Word Origin for reagin
C20: from German reagieren to react + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Medical definitions for reagin
reagin
[ rē-ā′jĭn ]
n.
An antibody found in the blood of individuals having a genetic predisposition to allergies such as asthma and hay fever.
A substance present in the blood of individuals having a positive serological test for syphilis.
Other words from reagin
re′a•gin′ic (rē′ə-jĭn′ĭk) adj.The American Heritage® Stedman's Medical Dictionary
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