Rao, Mohandas KG and Somayaji, Nagabhooshana and Krishnasamy, Narendiran (2011) Absence of Musculocutanous Nerve and Its Distribution Replaced bythe Lateral Cord of Brachial Plexus, Median and Radial Nerves. ACTA MEDICA SALINIANA, 40 (2). pp. 81-84. ISSN 0350-364X
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Abstract
Variations in the musculocutaneous nerve are very common. But, the absence of the nerve is rare. One such case of total absence of musculocutaneous nerve which was observed in a male cadaver during routine dissection is reported here. The coracobrachialis muscle which is normally supplied by the musculocutaneous nerve was innervated by a direct branch of lateral cord of brachial plexus, whereas biceps brachii and brachialis muscles are supplied by branches from the lateral aspect of median nerve. Lateral cutaneous nerve of forearm was arising from the lateral aspect of median nerve in common with nerve to brachialis and was partly supplying the area of innervation of a normal lateral cutaneous nerve of forearm. The remaining of its area was supplied by the posterior cutaneous nerve of forearm, a branch of radial nerve. Further, a literature review about the case was done and the surgical and clinical importance of the case was discussed.
Item Type: | Article |
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Uncontrolled Keywords: | musculocutaneous nerve, lateral cord of brachial plexus, median nerve, radial nerve,anatomcal variations, lateral cutaneous nerve of forearm |
Subjects: | Medicine > MMMC Manipal > Anatomy |
Depositing User: | KMC Manipal |
Date Deposited: | 07 Feb 2012 10:06 |
Last Modified: | 07 Feb 2012 10:06 |
URI: | http://eprints.manipal.edu/id/eprint/2853 |
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