Describe the origins, courses,terminations of the Ulnar Nerve

 
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Describe the origins, courses,terminations of the Ulnar Nerve



Ulnar nerve arises from the medial cord of the brachial plexus, lying on the medial side of the brachial artery. In the middle of the arm, at the insertion of coracobrachialis, the ulnar nerve pierces the medial fascial septum. It is accompanied by the superior ulnar collateral artery and enters the posterior compartment. It passes behind the medial epicondyle. No branches are given off in the anterior compartment of the upper arm.
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