| OM | 1) Otitis Media 2) Osteo-Myelitis |
|---|---|
| OM | obtuse mental; occipitomental; occupational medicine; ocular movement; oculomotor; Osborne Mendel [rat]; osteomalacia; osteomyelitis; osteopathic manipulation; otitis media; outer membrane; ovulation method |
| om | every morning [Lat. omni mane] |
| OM&S | osteopathic medicine and surgery |
| OMAC | otitis media, acute catarrhal |
| OMAR | Office of Medical Applications of Research |
| OMAS | occupational maladjustment syndrome |
| OMB | Office of Management and Budget |
| OMC | office of managed care; orientation-memory-concentration [test] |
| OMCT | Orientation-Memory-Concentration Test |