| Abbreviation | Definition |
|---|---|
| MND | Motor Neurone Disease |
| MNH | Maternal and Neonatal Health |
| MNS | Minimum Necessary Standard |
| MNT | Macro Notation Terminal |
| MNTE | Maternal and Neonatal Tetanus Elimination |
| MO | Mandibular Organ |
| MO | Medical Oddity |
| MO | Medulla Oblongata |
| MO | Mitral Opening |
| MO | Morbidly Obese |
| MO | Mouth Opening |
| MOA | Mechanism Of Action |
| MOA | Months Of Age |
| MoAB | Mono-clonal Anti-Bodies |
| MOB | My Own Body |
| MOBI | Mothers Overcoming Breastfeeding Issues |
| MOD | MODerate |
| MODP | Multifaceted Oncology Depression Program |
| MODS | Multiple Organ Dysfunction Syndrome |
| MOF | Multiple Organ Failure |