Ulnar collateral ligament
Joints and ligaments · Latin: Ligamentum collaterale ulnare cubiti
ULNAR COLLATERAL LIGAMENT (OF ELBOW JOINT)
The ulnar collateral ligament (UCL) or internal lateral ligament is a thick triangular ligament at the medial aspect of the elbow uniting the distal aspect of the humerus to the proximal aspect of the ulna.
Definition from Wikipedia, CC BY-SA 4.0.