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mediLexicon
anatomy

ulna

also: ulnae

The ulna is one of the two long BONES of the FOREARM, located on the little finger side, that forms a major part of the ELBOW joint.

The ulna is a long BONE of the FOREARM that extends from the ELBOW to the WRIST. It lies on the medial or little finger side of the forearm when the hand is facing forward. The ulna is longer than the RADIUS and forms the prominent bony point of the elbow. Together with the radius, it provides support and enables movements of the forearm and hand.

The ulna is the forearm bone on the little finger side and forms the main structure of the elbow.

• One of the two bones of the forearm • Located on the little finger side • Longer than the radius • Forms the point of the elbow • Works with the radius for forearm movement • Helps support the wrist and hand

Source: mediLexicon corpus · slug ulna