| LIR | left iliac region; left inferior rectus |
|---|---|
| MCx | main circumflex [artery] |
| PIIS | posterior inferior iliac spine |
| PLCx | posterolateral circumflex branch [of coronary artery] |
| RIF | radiological interface; release-inhibiting factor; rifampin; right iliac fossa; rosette-inhibiting f... |