rhizotomy
noun
rhi·zot·o·my
rī-ˈzä-tə-mē 
plural rhizotomies
: the operation of cutting the anterior or posterior spinal nerve roots
Examples of rhizotomy in a Sentence
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The primary surgical option available is a dorsal rhizotomy.
—
Heidi Cope, Health, 13 Sep. 2024
Historically, selective dorsal rhizotomy has been performed on children.
—Lauren Sieben, SELF, 22 Mar. 2022
In May, her family traveled to Missouri where Maya underwent selective dorsal rhizotomy surgery with Dr. T.S. Park, one of the nation’s leading pediatric neurosurgeons and a pioneer of the surgery, according to the family's website.
—Deasia Paige, Detroit Free Press, 6 July 2018
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Heidi Cope, Health, 13 Sep. 2024
Historically, selective dorsal rhizotomy has been performed on children.
—Lauren Sieben, SELF, 22 Mar. 2022
In May, her family traveled to Missouri where Maya underwent selective dorsal rhizotomy surgery with Dr. T.S. Park, one of the nation’s leading pediatric neurosurgeons and a pioneer of the surgery, according to the family's website.
—Deasia Paige, Detroit Free Press, 6 July 2018
Cite this Entry
“Rhizotomy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rhizotomy. Accessed 30 Oct. 2025.
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rhizotomy
noun
rhi·zot·o·my
rī-ˈzät-ə-mē
plural rhizotomies
: the operation of cutting the anterior or posterior spinal nerve roots
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