| DMN | dimethylnitrosamine; dorsal motor nucleus; dysplastic melanocytic nevus |
|---|---|
| DMRF | dorsal medullary reticular formation |
| DNB | dinitrobenzene; Diplomate of the National Board [of Medical Examiners]; dorsal nonadrenergic bundle |
| DNLL | dorsal nucleus of lateral lemniscus |
| DNR | daunorubicin; do not resuscitate; dorsal nerve root |