| PIP2 | phosphatidylinositol 4,5-biphosphate or diphosphate |
|---|---|
| POP | diphosphate group; pain on palpation; paroxypropione; persistent occipitoposterior [fetal position];... |
| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
| ppGpp | 3'-pyrophosphoryl-guanosine-5'-diphosphate |
| PPRP | polyadenosine diphosphate-ribose polymerase |