| MBF | medullary blood flow; muscle blood flow; myocardial blood flow |
|---|---|
| PBF | peripheral blod flow; placental blood flow; pulmonary blood flow |
| PcB | near point of convergence to the intercentral base line [punctum convergens basalis] |
| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
| pp | near point of accommodation [Lat. punctum proximum]; postprandial; postpartum |