| PPO | <abbreviation> 2,5-diphenyloxazole, a liquid scintillator; preferred provider organization. (05 Mar 2000) |
|---|---|
| PPPPPP | A mnemonic of 6 P's designating the symptom complex of acute arterial occlusion. Origin: pain, pallor, paraesthesia, pulselessness, paralysis, prostration (05 Mar 2000) |
| PPRibp | <abbreviation> 5-phospho-alpha-d-ribosyl 1-pyrophosphate (05 Mar 2000) |
| Ppu21IM methyltransferase | <enzyme> Recognises the sequence 5'-pyacgtpu-3'; from pseudomonas; has been sequenced Registry number: EC 2.1.1.- Synonym: ppu21im gene product, m.ppu21i, ppu21i mtase (26 Jun 1999) |