English Lexicon

Rhizotomy

/ˌraɪˈzɒt.ə.mi/
nounCEFR C2 (Proficient)Top #14500 frequency
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1 sense
As noun
  1. 1

    A surgical procedure in which specific nerve roots exiting the spinal cord are severed to interrupt pain signals or reduce muscle spasms.

    "The physician recommended a radiofrequency rhizotomy to treat the patient's persistent lower back pain."

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Linguistic Origin & Historical Etymology

Derived from the Greek words 'rhiza', meaning root, and 'tomē', meaning a cutting or incision. The term was coined in the late 19th century within medical terminology to describe surgical procedures involving the cutting of nerve roots to relieve chronic pain or spasticity.

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