| UH | umbilical hernia; uncontrolled hemorrhage; unfavorable histology; upper half |
|---|---|
| HUV | human umbilical vein |
| HUVEC | human umbilical vein endothelial cell |
| PUBS | percutaneous umbilical blood sampling; purple urine bag syndrome |
| SUA | serum uric acid; single umbilical artery; single unit activity |