| OTS | occipital temporal sulcus; orotracheal suction |
|---|---|
| PGO | ponto-geniculo-occipital [spike] |
| PO | by mouth, orally [Lat. per os]; parieto-occipital; parietal operculum; period of onset; perioperativ... |
| SO | salpingo-oophorectomy; Schlatter-Osgood [test]; second opinion; sex offender; spheno-occipital [sync... |
| SOA-MCA | superficial occipital artery to middle cerebral artery |