IMMUNOGLOBULIN A

 I. (noun) 

Sense 1

Meaning:

One of the most common of the five major classes of immunoglobulins; the chief antibody in the membranes of the gastrointestinal and respiratory tracts

Synonyms:

IgA; immunoglobulin A

Classified under:

Nouns denoting substances

Hypernyms ("immunoglobulin A" is a kind of...):

Ig; immune gamma globulin; immune globulin; immune serum globulin; immunoglobulin (a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response)

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