| MCD | magnetic circular dichroism; mast-cell degranulation; mean cell diameter; mean of consecutive differ... |
|---|---|
| MND | minimum necrosing dose; minor neurological dysfunction; modified neck dissection; motor neuron disea... |
| MODS | medically oriented data system; multiple-organ dysfunction syndrome |
| MPD | main pancreatic duct; maximum permissible dose; mean population doubling; membrane potential differe... |
| NAD | neutrophil actin dysfunction; new antigenic determinant; nicotinamide adenine dinucleotide; nicotini... |