| RL | radial line; radiation laboratory; reduction level; renal dysplasia-limb defects [syndrome]; resisti... |
|---|---|
| RLF | retrolental fibroplasia; right lateral femoral |
| RLR | right lateral rectus [muscle] |
| rt | lat right lateral |
| RUL | right upper eyelid; right upper lateral; right upper limb; right upper lobe |