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[rahy-zot-uh-mee] /raɪˈzɒt ə mi/
noun, plural rhizotomies. Surgery.
the surgical section or cutting of the spinal nerve roots, usually posterior or sensory roots, to eliminate pain.
Origin of rhizotomy
First recorded in 1910-15; rhizo- + -tomy Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for rhizotomy


noun (pl) -mies
surgical incision into the roots of spinal nerves, esp for the relief of pain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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rhizotomy in Medicine

rhizotomy rhi·zot·o·my (rī-zŏt'ə-mē)
Surgical severance of spinal nerve roots, as for the relief of pain. Also called radicotomy, radiculectomy.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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