| lt | lat left lateral |
|---|---|
| mag, magn | large [Lat. magnus]; magnification |
| MB | Bachelor of Medicine [Lat. Medicinae Baccalaureus]; buccal margin; isoenzyme of creatine kinase cont... |
| mb | millibar; mix well [Lat. misce bene] |
| MC | mass casualties; mast cell; Master of Surgery [Lat. Magister Chirurgiae]; maximum concentration; Med... |