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<Back to Last Page> <Full Glossary>
Definition:
An abnormal passage between two organs or between an organ and the outside of the body. Caused when damaged tissues come into contact with each other and join together while healing.
Related Terms
Anus
Anal Fistula
What is a Fistula?
Fistulas are more common in Crohn's Disease than in ulcerative colitis. Approximately 30% of people with Crohn's Disease develop fistulas.

