rhizotomy: Meaning and Definition of

rhi•zot•o•my

Pronunciation: (rī-zot'u-mē), [key]
— pl. -mies.
  1. the surgical section or cutting of the spinal nerve roots, usually posterior or sensory roots, to eliminate pain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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