| UDP | Uridine Di-Phosphate |
|---|---|
| CUG | cystidine, uridine, and guanidine; cystourethrogram, cystourethrography |
| UD | ulcerative dermatosis; ulnar deviation; undetermined; underdeveloped; unit dose; urethral dilatation... |
| UDKase | uridine diphosphate kinase |
| UDP | uridine diphosphate |