| U/P | urine to plasma [ratio] |
|---|---|
| UPEP | urinary protein electrophoresis; urine protein electrophoresis |
| Ur | urea; urine, urinary |
| UU | urinary urea; urine urobilinogen |
| Nutcracker syndrome | the vein from the left kidney is obstructed by one of the major arteries leaving the aorta. It can c... |