| MMD | mass median diameter; minimum morbidostatic dose; moyamoya disease; myotonic muscular dystrophy |
|---|---|
| MND | minimum necrosing dose; minor neurological dysfunction; modified neck dissection; motor neuron disea... |
| MPED | minimum phototoxic erythema dose |
| MUD | minimum urticarial dose |
| T/LD100 | minimum dose causing 100% deaths or malformations |