| FLAP | 5-lipoxygenase activating protein |
|---|---|
| RAM | random-access memory; rapid alternating movements; rectus abdominis muscle; rectus abdominis myocuta... |
| OLB | olfactory bulb; open liver biopsy; open lung biopsy |
| OHS | Open Heart Surgery |
| OR | 1) Operating Room; 수술실 2) Open Reduction |