Absence of Musculocutaneous Nerve Along With Accessory Head of Biceps Brachii.
Journal Title: INTERNATIONAL JOURNAL OF RECENT TRENDS IN SCIENCE AND TECHNOLOGY - Year 2011, Vol 1, Issue 2
Abstract
Musculocutaneous nerve is one of the terminal branches of lateral cord of brachial plexus. This nerve is responsible for innervation of flexor compartment of arm and for cutaneous innervation on lateral surface of forearm. Its absence has been described previously but its real prevalence is unknown. A case of absence of Musculocutaneous nerve along with presence of accessory head of biceps brachii was observed during routine undergraduate dissection of right arm of a male cadaver. In this case the muscles which are usually innervated by musculocutaneous nerve were innervated by median nerve. Medical concerns related with these variations include, anaesthetic blocks, surgical approaches, interpreting tumour or traumatic nerve compressions having unexplained clinical symptoms. There is also possibility of injury to the muscular branches of median nerve in arm by surgeon as usually this nerve does not give branches in arm. Hence this case report was studied and reported.
Authors and Affiliations
U Mane, S Pandare
Keywords
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