| POS | periosteal osteosarcoma; physician order set; point of service; polycystic ovary syndrome; psychoorg... |
|---|---|
| POX | point of exit |
| PR | by way of the rectum [Lat. per rectum]; far point [of accommodation] [Lat. punctum remotum]; palindr... |
| pr | far point of accommodation [Lat. punctum remotum]; pair; per rectum; prism |
| PSAP | primary public safety answering point; prosaposin; pulmonary surfactant apoprotein |