| Ia | immune response gene-associated antigen |
|---|---|
| IEG | immediate early gene |
| Ir | immune response [gene]; iridium |
| LAG | labiogingival; leukocyte antigen group; linguo-axiogingival; lymphangiogram; lymphocyte activation g... |
| MCC | mean corpuscular hemoglobin concentration; medial cell column; Medical Council of Canada; metacerebr... |