| Rm | relative mobility; remission |
|---|---|
| RMA | rapid membrane assay; refuses medical advice; Registered Medical Assistant; relative medullary area;... |
| RMR | relative maximum respone; resting metabolic rate; right medial rectus [muscle] |
| RMT | Registered Music Therapist; relative medullary thickness; retromolar trigone; right mentotransverse ... |
| RO | radiation oncology; radiation output; ratio of; relative odds; renal osteodystrophy; reverse osmosis... |