| EMM | erythema multiforme major |
|---|---|
| HMC | hand-mirror cell; health maintenance cooperative; heroin, morphine, and cocaine; histocompatibility ... |
| MAC | MacConkey [broth]; major ambulatory category; malignancy-associated changes; maximum allowable conce... |
| MAD | major affective disorder; mandibulo-acral dysplasia; maximum allowable dose; methylandrostenediol; m... |
| MAKA | major karyotypic abnormality |