| PAL | pathology laboratory; peptidyl-alpha-hydroxyglycine alpha-amidating lysine phase alteration plane; p... |
|---|---|
| PcB | near point of convergence to the intercentral base line [punctum convergens basalis] |
| PLES | parallel-line equal space |
| POIS | Parkland On-Line Information Systems |
| PSL | parasternal line; photostimulable luminescence; potassium, sodium chloride, and sodium lactate [solu... |