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Variant innervation of flexors of the arm associated with additional head of biceps brachii

Author(s): Poornima GC | Satyaprasad V

Journal: Neuroanatomy
ISSN 1303-1783

Volume: 5;
Issue: 1;
Start page: 24;
Date: 2006;
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Keywords: musculocutaneous nerve | median nerve | biceps brachii | variation

Biceps brachii is known for its variations; 3rd and 4th head being present are reported. Similarly,musculocutaneous nerve is also known to show variations. In the present case, we report the absence of musculocutaneous nerve bilaterally and the presence of third head of biceps brachii in the left arm. Branches of median nerve in a single cadaver innervate all the flexors in both the arms. We report this case as a unique one because of the combination of variations.
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