Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
n. Abbr. IgE
1. The class of antibodies that bind to mast cells and basophils and trigger them to release histamines and other substances that are responsible for allergic reactions. Immunoglobulin E antibodies are also thought to defend against parasitic worms.
2. An antibody of this class.
Switch to new thesaurus
|Noun||1.||immunoglobulin E - one of the five major classes of immunoglobulins; present primarily in the skin and mucous membranes|
Ig, immune gamma globulin, immune globulin, immune serum globulin, immunoglobulin - a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
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