| Abbreviation | Definition |
|---|---|
| SMA | simultaneous multichannel autoanalyser |
| SMA | smooth muscle actin |
| SMA | smooth muscle antigen |
| SMA | Snow Mountain Agent |
| SMA | somatomedin a |
| SMA | somatomedin activity |
| SMA | spinal muscle atrophy |
| SMA | spiral modiolar artery |
| SMA | spontaneous motor activity |
| SMART | Second Manifestations of ARTerial disease |
| SMART | Self-Measurement for Assessment of the Response to Trandolapril |
| SMART | Serum Markers Acute myocardial infarction and Rapid Treatment |
| SMART | Simultaneous Multiple Angle Reconstruction Technique |
| SMART | Simultaneous Multislice Acquisition using Rosette Trajectories |
| SMART | Specific, Measurable, Attainable, Relevant, Timesobjectives |
| SMART | specific, measurable, attainable, relevant, times–objectives |
| SMART | Supportive Medical Aid Responding (to individual needs) Team |
| SMAS | Substance Misuse Advisory Service (extinct) |
| SMAS | superficial musculo-aponeurotic system |
| SMAS | superior mesenteric artery syndrome |