fistula
1. [ noun ] (medicine) a chronic inflammation of the withers of a horse
Synonyms: fistulous_withers
Related terms: animal_disease
2. [ noun ] (anatomy,zoology) an abnormal passage leading from a suppurating cavity to the body surface
Synonyms: sinus
Related terms: passage
Similar spelling:   fistular
  fistulate
  Fistularia
  Fistulina
  fistulous
  fictile