# fistula

/fˈɪstjʊlɐ/ (UK) · CEFR C2 · Noun

Source: https://englishreference.com/word/fistula
Updated: 2026-10-18

## Definition

a small tunnel that should not be there between two parts inside your body, or from inside your body to the skin. It often forms after injury, infection, or surgery.

For teachers: an abnormal passage connecting two body cavities or organs, or a cavity to the skin surface, typically resulting from injury, infection, inflammation, or surgery.

## Examples

- The doctor treats the small fistula near his gum.
- After the surgery, she develops a fistula between her intestine and skin that needs special care.
- The surgeon described the chronic fistula as a narrow, persistent tract that resisted healing despite repeated drainage and antibiotics.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.