Dictionary » I » Immunoglobulin

Immunoglobulin

Definition

noun, plural: immunoglobulins

(1) Any of several classes of structurally related proteins in the blood serum, produced by plasma cells as an immune response against foreign agents (antigens).

(2) The fraction of the blood serum containing antibodies.


Supplement

In placental mammals, there are about five classes of immunoglobulins based on structure and biological activity: IgA, IgD, IgE, IgG, IgM.


Word origin: immuno- (relating to immune) + globulin.

Abbreviation: Ig

Synonym: antibody

Related terms:


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... HLA molecules and initiate an autoimmune-like response that is the source of the celiac disease. In others, gluten may act as an allergen, causing immunoglobulin E production by B cells that binds to the surface of mast cells and is cross-linked by subsequent exposure to gluten, leading to allergic ...

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Tue Oct 09, 2012 7:42 am
 
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by BruceWayne
Sun Oct 23, 2011 3:07 pm
 
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Sun Oct 23, 2011 2:21 pm
 
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Fri Sep 11, 2009 11:33 pm
 
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