UCL
noun
plural UCLs
: ulnar collateral ligament
Pitchers who need UCL reconstruction often lack internal rotation in their shoulder …—
Matt McCarthy
Matt McCarthyCite this Entry
“UCL.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/UCL. Accessed 10 Jul. 2025.
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UCL
noun
: ulnar collateral ligament
The UCL, or ulnar collateral ligament, can be found on the inside of the elbow and it, along with the lateral collateral ligament, connects the humerus to the ulna.—Lindsey Sillhite, The Chicago Daily Herald
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