Detailed knowledge of the course and distribution of the nerves of the brachial plexus is very important in the management of nerve injuries, particularly in the case of anatomical variations. During routine dissection for undergraduate students, unilateral absence of the musculocutaneous nerve was observed in the right arm of an adult male cadaver. All the anterior compartment muscles of the arm were innervated by direct branches of the median nerve.
Key words: Musculocutaneous Nerve, Brachial Plexus, Arm
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