| 释义 |
immunoglobulin A
immunoglobulin An. Abbr. IgA1. The class of antibodies found predominantly in body secretions such as saliva, tears, breast milk, and mucous secretions of the gastrointestinal and respiratory tracts, functioning to prevent attachment of viruses and bacteria to epithelial surfaces and to neutralize toxins.2. An antibody of this class.Thesaurus| Noun | 1. | immunoglobulin A - one of the most common of the five major classes of immunoglobulins; the chief antibody in the membranes of the gastrointestinal and respiratory tractsIgAIg, 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 |
immunoglobulin A
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. immunoglobulin A
immunoglobulin An. Abbr. IgA The class of antibodies produced predominantly against ingested antigens, found in body secretions such as saliva, sweat, or tears, and functioning to prevent attachment of viruses and bacteria to epithelial surfaces.immunoglobulin A Abbreviation: IgA
The principal immunoglobulin in exocrine secretions such as milk, respiratory and intestinal mucin, saliva, and tears. It prevents pathogenic bacteria and viruses from invading the body through the mucosa of the gastrointestinal, pulmonary, and genitourinary tracts. Its presence in colostrum and breast milk helps prevent infection in breast-feeding infants. See also: immunoglobulinAcronymsSeeIgAimmunoglobulin A
Related to immunoglobulin A: Immunoglobulin A Deficiency, Immunoglobulin A NephropathySynonyms for immunoglobulin Anoun one of the most common of the five major classes of immunoglobulinsSynonymsRelated Words- Ig
- immune gamma globulin
- immune globulin
- immune serum globulin
- immunoglobulin
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