| UD | ulcerative dermatosis; ulnar deviation; undetermined; underdeveloped; unit dose; urethral dilatation... |
|---|---|
| UDKase | uridine diphosphate kinase |
| UDP | uridine diphosphate |
| UDPG | uridine diphosphate glucose; urine diphosphoglucose |
| UDPGA | uridine diphosphate glucuronic acid |