Definition of Immunoglobulin E
Immunoglobulin E: A class of immunoglobulins that includes the antibodies that are important in an allergic response. Abbreviated IgE. A person who has an allergy often has elevated blood levels of IgE. IgE antibodies attack and engage the invading army of allergens.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012
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