| OLB | olfactory bulb; open liver biopsy; open lung biopsy |
|---|---|
| OLRx | orthotopic liver transplantation |
| OLT | left occipitotransverse [fetal position] [Lat. occipito-laeva transversa]; orthotopic liver transpla... |
| PAL | pathology laboratory; peptidyl-alpha-hydroxyglycine alpha-amidating lysine phase alteration plane; p... |
| PKL | pyruvate kinase, liver type |