| MAD | Major Antigenic Determinant |
|---|---|
| MHC | Major Histocompatibility Complex |
| 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... |