Immunoglobulin Definition

ĭmyə-nō-glŏbyə-lĭn, ĭ-myo͝o-
immunoglobulins
noun
immunoglobulins
Any of a group of large glycoproteins that are secreted by plasma cells and that function as antibodies in the immune response by binding with specific antigens. There are five classes of immunoglobulins: IgA, IgD, IgE, IgG, and IgM.
American Heritage
A globulin protein that participates in the immune reaction as the antibody for a specific antigen.
Webster's New World
Synonyms:

Other Word Forms of Immunoglobulin

Noun

Singular:
immunoglobulin
Plural:
immunoglobulins

Origin of Immunoglobulin

  • From immuno- +‎ globulin.

    From Wiktionary

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immunoglobulin