| UEG | ultrasonic encephalography; unifocal eosinophilic granuloma |
|---|---|
| UF | film unsharpness; ultrafiltrate; ultrafiltration; ultrafine; ultrasonic frequency; universal feeder;... |
| UFD | ultrasonic flow detector; unilateral facet dislocation |
| UL | ultrasonic; Underwriters Laboratories; undifferentiated lymphoma; upper limb; upper limit; upper lob... |
| URS | ultrasonic renal scanning |