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immunoglobulin A

   Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia 0.02 sec.
immunoglobulin A [‚im·yə·nō‚gläb·yə·lən ′ā]
(immunology)
A class of immunoglobulins that inhibits the binding of microorganisms to mucosal surfaces; large amounts are found in breast milk, saliva, and gastrointestinal secretions. Abbreviated IgA.


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In particular, the intake results in an increase the production of immunoglobulin A (IgA), activating gut immunity.
Scientists can evaluate how robust our immune systems are by measuring levels of immunoglobulin A (IgA), an antigen found in saliva and mucosal linings.
In milk, the protein exists by itself or linked to the antibody immunoglobulin A.
 
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