| MPD | main pancreatic duct; maximum permissible dose; mean population doubling; membrane potential differe... |
|---|---|
| MVM | microvillose membrane; minute virus of mice |
| NM | near-miss; neomycin; neuromedin; neuromuscular; neutrophil migration; nictitating membrane; nitrogen... |
| NMR | neonatal mortality rate; nictitating membrane response; nuclear magnetic resonance |
| NVM | neovascular membrane; nonvolatile matter |