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Zahedan Journal of Research in Medical Sciences
The Official Journal of Zahedan University of Medical Sciences
e-ISSN 2383-2894
Outline
A Rare Anatomical Variation of the Brachial Plexus Characterized by the Absence of the Musculocutaneous Nerve
Authors
Alireza Ebrahimzadeh-Bideskan1,*, Mohammad Hossein Ebrahimzadeh2, Abbas Mohammadipour1, Elnaz Khordad1
1Department of Anatomy and Cell Biology, Mashhad University of Medical Sciences, Mashhad, Iran
2Orthopedic and Trauma Research Center, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
*Corresponding Author: Department of Anatomy and Cell Biology, Mashhad University of Medical Sciences, Mashhad, Iran Email: [email protected]
Published online:May 26, 2013
Article type:Case Report
Received:Nov 10, 2012
Accepted:Jan 05, 2013
How to Cite:Ebrahimzadeh-Bideskan A, Ebrahimzadeh MH, Mohammadipour A, Khordad E. A Rare Anatomical Variation of the Brachial Plexus Characterized by the Absence of the Musculocutaneous Nerve. Zahedan J Res Med Sci. 2013;15(10):e92820. doi:
Abstract
Knowing of anatomical variations is very important during surgery, autopsy and cadaver dissection in the axillary region. In this study, a unilateral variation of the brachial nerve plexus, which is characterized by the absent of the musculocutaneous nerve (MCN), was found in the right arm of a male cadaver. The MCN normally originates from the lateral cord of the brachial nerve plexus and innervates the anterior brachial compartment muscles and lateral coetaneous of the forearm. In this case, the lateral cord of the brachial plexus was joined to the median nerve at the level of coracoid process with no evidence of any nerve braches from lateral cord to the anterior brachial compartment muscles. These muscles were innervated from some branches of median nerve directly.
Highlights
References
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Copyright
© 2013, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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