| Abbreviation | Definition |
|---|---|
| MJ | Myoclonic Jerks epilepsy |
| MJA | Medical Journal of Allina |
| MJD | Machado-Joseph Disease |
| MJE | Myoclonic Jerks Epilepsy |
| MK | Marked |
| MkP | megakaryocyte progenitor |
| MKV | Measles, Killed Vaccine |
| MKW | Max K. Willscher Urology Center |
| ML | Malo Lactic |
| ML | Maximum to Left |
| ML | MidLine |
| MLC | Mid-Life Crisis |
| MLC | Minimum Lethal Concentration |
| MLC | Myosin Light Chain |
| MLCK | Myosin Light Chain Kinase |
| MLCK | Myosin Light Chain Kinases |
| MLD | Mean Lung Density |
| MLD | Minimum Lethal Dose |
| MLF | Medial Longitudinal Fasciculus |
| MLU | Mean Length of Utterance |