root filament

root filament definition - medical

root filament

noun
Any of the small individual fiber fascicles into which the roots of each spinal nerve and several of the cranial nerves divide in a fanlike fashion before entering or leaving the spinal cord or brainstem. Also called nerve rootlet.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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