Fis"tu*la (?; 135), n.; pl. Fistulae (#). [L.]


A reed; a pipe.


A pipe for conveying water.



3. Med.

A permanent abnormal opening into the soft parts with a constant discharge; a deep, narrow, chronic abscess; an abnormal opening between an internal cavity and another cavity or the surface; as, a salivary fistula; an anal fistula; a recto-vaginal fistula.

Incomplete fistula Med., a fistula open at one end only.


© Webster 1913.