| Abbreviation | Definition |
|---|---|
| MTL | Medial Temporal Lobe |
| MTMS | Medication Therapy Management Services |
| MTP | Metatarsophalangeal articulations |
| MTPP | Metabolic Treatment Product Program |
| MTR | Magnetization Transfer Ratio |
| MTR | Masses, Tenderness, Rebound |
| MTR | Mentally Totally Retarded |
| MTR | Multiple Transferable Resistance |
| MTRG | Masses, Tenderness, Rebound, Guarding |
| MTS | Maladies Transmises Sexuellement |
| MTSS | Medial Tibial Stress Syndrome |
| MTV | Monophosphate Triazinetrione Viraltetrate |
| MTX | Methotrexate |
| MU | Milliunits |
| MUAC | Mid-upper Arm Circumference |
| MUN | Milk Urea Nitrogen |
| MUO | Myocardiopathy of Unknown Origin |
| MUPS | Medically Unexplained Physical Symptoms |
| MUS | Muscle |
| MUSE | Medicated Urethral System For Erections |