HyperDic: reagin

English > 1 sense of the word reagin:
NOUNsubstancereaginan immunoglobulin E that is formed as an antibody against allergens (such as pollen)
English > reagin: 1 sense > noun 1, substance
MeaningAn 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.
Broaderimmunoglobulin E, IgEOne of the five major classes of immunoglobulins

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