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International Journal of Anatomical Variations

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H. Wayne Lambert1,2*, Stavros Atsas1,2 and Taylor A. Dayton1,3
1 Department of Neurobiology and Anatomy, West Virginia University, School of Medicine, Robert C. Byrd Health Sciences Center, Morgantown, West Virginia, USA, Email: [email protected]
2 Department of Anatomical Sciences and Neurobiology, University of Louisville, Health Sciences Center, Louisville, Kentucky, USA
3 Department of Biochemistry, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA
*Correspondence: Dr. H. Wayne Lambert, PhD, Associate Professor, Department of Neurobiology and Anatomy, West Virginia University, HSN 4052; P.O. Box 9128, Morgantown, 26506-9128, WV, USA, Tel: +1 (304) 293-0610, Email: [email protected]

Received: 06-Aug-2010 Accepted Date: Dec 08, 2010; Published: 14-Dec-2010

Citation: IJAV. 2010; 3: 197–199.

This open-access article is distributed under the terms of the Creative Commons Attribution Non-Commercial License (CC BY-NC) (http://creativecommons.org/licenses/by-nc/4.0/), which permits reuse, distribution and reproduction of the article, provided that the original work is properly cited and the reuse is restricted to noncommercial purposes. For commercial reuse, contact [email protected]


During routine dissection of the suprahyoid region, a duplicate stylohyoid muscle was found in a 65-year-old Caucasian female. This variant muscle arose from the base of the styloid process before proceeding to envelope and insert upon the stylohyoid ligament. While other authors have reported the presence of a stylochondrohyoideus muscle which replaced the stylohyoid ligament or inserted into the stylohyoid ligament distally, this case study presents the first reported finding of a muscle completely enveloping the stylohyoid ligament proximally and then inserting directly into the ligament itself. Due to its association with the stylohyoid ligament, this muscle is being classified as a new variant of the stylochondrohyoideus muscle. This paper also attempts to resolve the nomenclature discrepancies associated with duplicate stylohyoid muscles.

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