| OPL | other party liability; outer plexiform layer; ovine placental lactogen |
|---|---|
| PL | palmaris longus; pancreatic lipase; perception of light; peroneus longus; phospholipase; phospholipi... |
| PLB | parietal lobe battery; phospholamban; phospholipase B; porous layer bead |
| PTLC | precipitation thin-layer chromatography |
| Rf | in paper or thin-layer chromatography, the distance that a spot of a substance has moved from the po... |