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Medical Term:

nerve root


one of two bundles of nerve fibers (posterior and anterior roots) emerging from the spinal cord that join to form a single segmental (mixed) spinal nerve; some cranial nerves are similarly formed by the union of two roots, in particular the trigeminal nerve (CN V).

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