English noun: immunoglobulin M | |||
| 1. | immunoglobulin M (substance) one of the five major classes of immunoglobulins; involved in fighting blood infections and in triggering production of immunoglobulin G | ||
| Synonyms | IgM | ||
| Broader (hypernym) | Ig, immune gamma globulin, immune globulin, immune serum globulin, immunoglobulin | ||