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superior trunk of brachial plexus

 

Definition: the nerve bundle formed by the union of the ventral rami of the fifth and sixth cervical nerves and some fibers from the fourth; it contributes fibers to the posterior and lateral cords (fasciculi) of the brachial plexus.

Synonym(s): truncus superior plexus brachialisTA

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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