Immunoglobulin A, Secretory |
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| Secretory Immunoglobulin A; Exocrine IgA; IgA, Colostral | |
| The principle immunoglobulin in exocrine secretions such as milk, respiratory and intestinal mucin, saliva and tears. The complete molecule (around 400 kD) is composed of two four-chain units of IMMUNOGLOBULIN A, one SECRETORY COMPONENT and one J chain (IMMUNOGLOBULIN J-CHAINS). | |