X-Ray, CT, Nuclear Medicine Abbreviations - U 1 - 7 (of 7) •UBO-USDW • UBO Unidentified Bright Object • UCA Ultrasonic Contrast Agents • UmbA Umbilical Artery • US UltraSound • USAN United States Adopted Names • USCAs Ultrasound Contrast Agents • USDW Underground Source of Drinking Water 1 - 7 (of 7) •UBO-USDW Character is like a tree and reputation like its shadow. The shadow is what we think of it; the tree is the real thing. - Abraham Lincoln |