| LSM | late systolic murmur; lymphocyte separation medium; lysergic acid morpholide |
|---|---|
| MBM | mineral basal medium |
| MC | mass casualties; mast cell; Master of Surgery [Lat. Magister Chirurgiae]; maximum concentration; Med... |
| MCAD | medium chain acyl-CoA dehydrogenase |
| MCF | macrophage chemotactic factor; median cleft face; medium corpuscular fragility; microcomplement fixa... |