Definition of “fistula” - English Dictionary

british dictionary

“fistula” in British English

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fistulanoun [ C ]

uk /ˈfɪs.tʃə.lə/ us /ˈfɪs.tʃə.lə/ specialized

an abnormal opening or passage from one organ to another or from an organ to the skin surface:

an anal fistula
Gas in the bladder may be related to a fistula between the bladder and the colon.

(Definition of “fistula” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)