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tractotomy Syllabification: trac·tot·o·my
Pronunciation: /ˌtrakˈtädəmē/

Definition of tractotomy in English:


The surgical severing of nerve tracts especially in the medulla of the brain, typically to relieve intractable pain or mental illness, or in research.
Example sentences
  • They noted that facial pain and itch sensations are both abolished by trigeminal medullary tractotomy.
  • A study of cognitive function in 23 patients undergoing subcaudate tractotomy found significant impairment of cognitive function 2 weeks post-op which had largely resolved after six months.
  • It seems that the complications associated with pulmonary tractotomies are considerably high, but the mortality of anatomic resections is prohibitive.
Definition of tractotomy in:
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