| MBF | medullary blood flow; muscle blood flow; myocardial blood flow |
|---|---|
| MDH | malate dehydrogenase; medullary dorsal horn |
| MMC | migrating myoelectric complex; minimum medullary concentration; mitomycin C; mucosal mast cell |
| MSK | medullary sponge kidney |
| MTAL | medullary thick ascending limb |