Ulna

The ulna was a bone in the Human skeletal system. Together with the , it formed the bone structure of the forearm. 
When solanogen-based lifeforms conducted experiments on Commander William T. Riker, they severed his forearm. When reattaching the arm, they created an offset of 0.2 microns, visible in a scan of the bone structure of his ulna and radius. ()
In 2371, Walter Baxter suffered localized tenderness to his ulnar bone while working out in the gymnasium aboard the . ()
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Category:Bones