Resembling, containing, or affected by a fistula; having characteristics of a fistula.
From fist- (variant of fistula) + -y (adjective suffix). This is an informal or colloquial adjectival form, rarely used in formal medical writing.
This slang medical term might appear in casual veterinary or surgical notes—it's the kind of shorthand doctors use when they're describing something that's clearly fistula-related without needing technical precision.
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