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Electronic School of Medicine
Creator: Oluwole Ogunranti


 

 

 

MEDIAL CUTANEOUS NERVE OF ARM

ORIGIN: Medial cord of brachial plexus

COURSE/DISTRIBUTION: This nerve begins at the medial cord of the brachial plexus medial to the ulnar nerve. It descends to the axilla and crosses the axillary vein either in front or behind it.  It then runs on the medial side of the vein where it communicates with the intercostobrachial nerve. It runs downwards  on the medial side of brachial artery and the basilic vein to the middle of arm where it pierces the skin to be distributed to the skin of the medial aspect of the arm.

BRANCHES. Terminal branches- are cutaneous branches distributed to the skin. It communicates with the branches of the medial cutaneous nerve of forearm 

ROOT VALUE: C8, T1

 

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Electronic School of Medicine
Creator: Oluwole Ogunranti