| UCL | ulnar collateral ligament; upper collateral ligament; upper confidence limit; upper control limit; u... |
|---|---|
| UL | ultrasonic; Underwriters Laboratories; undifferentiated lymphoma; upper limb; upper limit; upper lob... |
| AT | abdominal thrusts; achievement test; Achilles tendon; Achard-Thiers [syndrome]; adaptive thermogenes... |
| TIB | tibia; time in bed; tumor immunology bank |
| CEEA | curved end-to-end anastomosis [stapler] |