| UN | ulnar nerve; undernourished; unilateral neglect; urea nitrogen; urinary nitrogen |
|---|---|
| UNCV | ulnar nerve conduction velocity |
| DSL | M-U distal sensory latency-m-median-ulnar |
| UCL | ulnar collateral ligament; upper collateral ligament; upper confidence limit; upper control limit; u... |
| UD | ulcerative dermatosis; ulnar deviation; undetermined; underdeveloped; unit dose; urethral dilatation... |