Boundaries and contents of the ulnar tunnel

What are the boundaries and contents of the ulnar tunnel (Guyon’s canal)?

The ulnar tunnel (Guyon’s canal) is located superficial to the carpal tunnel on the ulnar aspect of the wrist and contains the ulnar nerve, artery, and vein. The flexor retinaculum is the floor. The radial surface of the pisiform is the ulnar margin. A superficial fascial layer is the roof 


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