rhizotomy Hear it!

rhizotomy definition

rhi·zoto·my (rī zät′ə mē)

noun pl. rhizotomies -·mies

a surgical cutting of the spinal nerve roots, esp. of the posterior nerves, as for relieving pain

Etymology: rhizo- + -tomy

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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