- secretory IgA
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(sIgA)The primary immunoglobulin of the secretory immune system.See IgA.
Microbiology. Aard_Wark . 2009.
secretory IgA
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secretory immunoglobulin A — secretory IgA; the predominant immunoglobulin in secretions (oral, nasal, bronchial, urogenital, and intestinal mucous secretions and tears, saliva, and milk), a dimer containing the J chain and the secretory component (SC) … Medical dictionary
secretory component — (SC) a 70,000 dalton glycopeptide occurring in secretory IgA; synthesized not by the plasma cell producing the IgA but added while the IgA is crossing the epithelium; it may protect secretory IgA from proteolytic attack after secretion, or it may … Medical dictionary
Secretory component — is a component of IgA which consists of a portion of polymeric immunoglobulin receptor. Polymeric IgA binds to the polymeric immunoglobulin receptor on the basolateral surface of epithelial cells and is taken up into the cell via transcytosis.… … Wikipedia
secretory component of IgA — A polypeptide chain of about 60 kD that aids secretion of the IgA; a portion of the IgA receptor on the plasmalemma of the inner side of the epithelial cells lining the gut, which is proteolysed when the IgA receptor complex has travelled through … Dictionary of molecular biology
IgA — Major class of immunoglobulin of external secretions in mammals, also found in serum. In secretions, found as a dimer (400 kD) joined by a short J chain and linked to a secretory piece or transport piece. In serum found as a monomer (170 kD).… … Dictionary of molecular biology
S-IgA — secretory immunoglobulin A … Medical dictionary
S-IgA — • secretory immunoglobulin A … Dictionary of medical acronyms & abbreviations
Immunoglobulin A — (IgA) is an antibody playing a critical role in mucosal immunity. More IgA is produced in mucosal linings than all other types of antibody combined. [cite journal |author=S Fagarasan and T Honjo |title=Intestinal IgA Synthesis: Regulation of… … Wikipedia
Immunoglobulin — A protein produced by plasma cells and lymphocytes. Immunoglobulins are an essential part of the body s immune system which attach to foreign substances, such as bacteria, and assist in destroying them. Abbreviated Ig. The classes of… … Medical dictionary
digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… … Universalium
