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Noun: fistula (fistulas,fistulae)  fis-tyû-lu
  1. A chronic inflammation of the withers of a horse
    - fistulous withers
  2. An abnormal passage leading from a suppurating cavity to the body surface
    - sinus

Derived forms: fistulae, fistulas

Type of: animal disease, passage, passageway

Encyclopedia: Fistula