Definition of seton in English:

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Pronunciation: /ˈsiːt(ə)n/


Medicine , historical
A skein of cotton or other absorbent material passed below the skin and left with the ends protruding, to promote drainage of fluid or to act as a counterirritant.
Example sentences
  • In addition to simple fistulotomy, treatments include cutting or draining setons, endo-anal mucosal advancement flaps, sliding cutaneous advancement flaps, fistulectomy with muscle repair and fibrin glue injection.


Late Middle English: from medieval Latin seto(n-), apparently from Latin seta 'bristle'.

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