X-Ray, CT, Nuclear Medicine Abbreviations - O 1 - 8 (of 8) •OC-Osm • OC Operator Console • ODR Optical Digital Recorder • OEF Oxygen Extraction Fraction • OEM Original Equipment Manufacturer • OFD Ocipital Frontal Diameter • OM Obtuso Marginal • OPG Oculoplethysmography • Osm Osmole (1 database hit) 1 - 8 (of 8) •OC-Osm The more severe the pain or illness, the more severe will be the necessary changes. These may involve breaking bad habits, or acquiring some new and better ones. - Peter McWilliams |