| NREM | nonrapid eye movement [sleep] |
|---|---|
| ol | left eye [Lat. oculus laevus] |
| PETT | pendular eye-tracking test; positron emission transverse tomography |
| RE | radium emanation; readmission; rectal examination; reference emitter; reflux esophagitis; regional e... |
| REM | rapid eye movement; recent-event memory; reticular erythematous mucinosis; return electrode monitor;... |