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Indian Journal of Clinical Anatomy and Physiology

Anomalous origin of Musculocutaneous nerve(MCN) along with an additional nerve supply to biceps brachii & brachialis from median nerve(MN): A case report

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Author Details: Binita Chaudhary, Manisha Gaikwad

Volume : 4

Issue : 4

Online ISSN : 2394-2126

Print ISSN : 2394-2118

Article First Page : 419

Article End Page : 421


Musculocutaneous nerve is the nerve of anterior compartment of the arm & it supplies the muscles of front of the arm and skin on the lateral aspect of forearm. It is the terminal branch of lateral cord of brachial plexus. Variations of musculocutaneous nerve have been reported by previous authors. Here we present a case of unilateral anomalous origin of musculocutaneous nerve along with an additional nerve supply to biceps brachii and brachialis during routine undergraduate dissection in the left arm of 55 years old male cadaver. These variations should be searched during surgical reduction of fractures by orthopaedicians and should not be overlooked by surgeons during nerve repair to prevent damage to the additional branch which supplies muscles of anterior compartment of arm.

: Brachial Plexus, Lateral cord, Median nerve, Musculocutaneous nerve, Muscles of anterior compartment of arm