Medical Dictionary
ulnar collateral ligament
noun
Medical Definition of ULNAR COLLATERAL LIGAMENT
: a triangular ligament of the elbow that connects the medial epicondyle with the medial edge of the coronoid process and the olecranon, that helps to stabilize the elbow joint, and that is often injured in sports (as baseball) which involve repeated overhand throwing—called also medial collateral ligament, UCL; compare radial collateral ligament
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