mechanical lesion fistula http://purl.bioontology.org/ontology/MEDDRA/10016717 http://purl.bioontology.org/ontology/MESH/D005402 http://purl.bioontology.org/ontology/SNOMEDCT/118622000 http://purl.bioontology.org/ontology/SNOMEDCT/428794004 http://purl.obolibrary.org/obo/NCIT_C3045 https://en.wikipedia.org/wiki/Category:Fistulas https://en.wikipedia.org/wiki/Fistula https://www.wikidata.org/wiki/Q189470 Abnormal communication most commonly seen between two internal organs, or between an internal organ and the surface of the body. fistula NOS fistulae fistulas fistule fistulæ Trans abbreviations/terms/slang