Immunoglobulin meaning

ĭm'yə-nō-glŏb'yə-lĭn, ĭ-myo͝o'-
The definition of immunoglobulin is a protein that fights against disease.

An example of an immunoglobulin is a protein that fights against strep throat.

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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.
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A globulin protein that participates in the immune reaction as the antibody for a specific antigen.
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Any of a group of large glycoproteins, including all the antibodies that function in the vertebrate immune system, that have a structure consisting of two heavy chains and two light chains. There are five major classes of immunoglobulin isotypes: IgA, IgD, IgE, IgG, and IgM.
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A preparation containing immunoglobulin proteins, especially immune globulin.
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(biochemistry, immunology) Any of the glycoproteins in blood serum that respond to invasion by foreign antigens and that protect the host by removing pathogens; an antibody.
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Origin of immunoglobulin

  • From immuno- +‎ globulin.
    From Wiktionary