reagin (redirected from reaginically)

reagin /re·a·gin/ (re´ah-jin) the antibody that mediates immediate hypersensitivity reactions; in humans, IgE.reagin´ic

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re·a·gin (r-jn)

n.

1. An antibody found in the blood of individuals having a genetic predisposition to allergies such as asthma and hay fever.

2. A substance present in the blood of individuals having a positive serological test for syphilis.

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rea·ginic (r-jnk) adj.

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reagin(s) (rē´ājin),

n noncommittal term used for antibodies or antibody-like substances that differ in several respects from ordinary antibodies. It refers to the antibodies of allergic conditions (atopy) and to the antibody (reagin) concerned with the flocculation and complement fixation tests for syphilis.

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reagin

an old term for immunoglobulin E antibody (IgE).

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atopic reagin

the antibody responsible for hypersensitivity reactions to specific substances with signs of atopy resulting.