| Abbreviation | Definition |
|---|---|
| SM | Smooth Muscle |
| SMA | second messenger activation |
| SMA | Sensory Motor Amnesia |
| SMA | Spinal Muscular |
| SMA | Spinal Muscular Atrophy |
| SMA | Spinal Muscular Atrophy… |
| SMA | Superior Mesenteric Artery |
| SMA | Supplementary Motor Area |
| SMART | Sensitive Membrane Antigen Rapid Test |
| SMART | Sensory Modality Assessment and Rehabilitation Technique |
| SMART | Serving Meals At the Right Time |
| SMAS | Superficial Musculo Aponeurotic System |
| SMB | Sport Medicine Boot |
| SMBG | Self Monitoring of Blood Glucose |
| SMBI | Salvia Miltiorrhiza Bunge Injection |
| SMC | Smooth Muscle Cell |
| SMD | Senile Macular Degeneration |
| SME | Severe Myoclonic Epilepsy |
| SME | Slow Maxillary Expansion |
| SME | Subacute Measles Encephalitis |