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Diatonic254

The answer is IgA.  The immunoglobulin can occur as a monomer or dimer. The dimeric form is called secretory-IgA because it is also secreted by glands that produce saliva, tears, sweat, and in the lumen of the gastrointestinal tract. It is the most secreted Immunoglobulin.






The answer is immunoglobulin A (IgA).
Immunoglobulin A is an antibody that plays a crucial role in the immune function of mucous membranes. It has two sub classes that is the IgA1 and IgA2 and can be produced as a monomeric as well as a dimeric form. The dimeric form is the most prevalent and is also called secretory IgA. Secretory component is a proteolytic cleavage product of the polymeric immunoglobulin receptor which remains associated with the dimeric IgA in sero-mucus secretions. The secretory component protects IgA antibodies from degradation by the gastric acids and enzymes of the digestive system.

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