English noun: IgA | |||
1. | IgA (substance) 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 | immunoglobulin A | ||
Broader (hypernym) | Ig, immune gamma globulin, immune globulin, immune serum globulin, immunoglobulin | ||