| SMAO | superior mesenteric artery occlusion |
|---|---|
| SMAS | submuscular aponeurotic system; superficial musculo-aponeurotic system; superior mesenteric artery s... |
| SMV | superior mesenteric vein |
| SO | salpingo-oophorectomy; Schlatter-Osgood [test]; second opinion; sex offender; spheno-occipital [sync... |
| SOF | superior orbital fissure |