| MAC | MacConkey [broth]; major ambulatory category; malignancy-associated changes; maximum allowable conce... |
|---|---|
| MBC | male breast cancer; maximal bladder capacity; maximal breathing capacity; metastatic breast cancer; ... |
| MPC | marine protein concentrate; maximum permissible concentration; mean plasma concentration; meperidine... |
| MID | maximum inhibiting dilution; mesioincisodistal; midinfarct dementia; minimum infective dose; minimum... |
| MBL | Marine Biological Laboratory; menstrual blood loss; minimum bactericidal level |