| KUB | kidneys and upper bladder; [x-ray examination of the] kidneys, ureter, and bladder |
|---|---|
| UB | ultimobranchial body; Unna boot; upper back; urinary bladder |
| ves ur | urinary bladder [Lat. vesica urinaria] |
| UAP | unlicensed assistive personnel; unstable angina pectoris; urinary acid phosphatase; urinary alkaline... |
| UCP | uncoupling protein; urinary coproporphyrin; urinary C-peptide |