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fistula

[fis-choo-luh]
noun, plural fis·tu·las, fis·tu·lae [fis-choo-lee] /ˈfɪs tʃʊˌli/.
  1. Pathology. a narrow passage or duct formed by disease or injury, as one leading from an abscess to a free surface, or from one cavity to another.
  2. Surgery. an opening made into a hollow organ, as the bladder or eyeball, for drainage.
  3. Veterinary Pathology. any of various suppurative inflammations, as in the withers of a horse (fistulous withers), characterized by the formation of passages or sinuses through the tissues and to the surface of the skin.
  4. Obsolete. a pipe, as a flute.
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Origin of fistula

1350–1400; Middle English < Latin: pipe, tube, fistula
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for fistula

fistula

noun plural -las or -lae (-ˌliː)
  1. pathol an abnormal opening between one hollow organ and another or between a hollow organ and the surface of the skin, caused by ulceration, congenital malformation, etc
  2. obsolete any musical wind instrument; a pipe
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Word Origin for fistula

C14: from Latin: pipe, tube, hollow reed, ulcer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for fistula

n.

"long, narrow ulcer," late 14c., from Latin fistula "pipe; ulcer," of uncertain origin.

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Online Etymology Dictionary, © 2010 Douglas Harper

fistula in Medicine

fistula

(fĭschə-lə)
n. pl. fis•tu•las
  1. An abnormal passage from a hollow organ to the body surface, or from one organ to another.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.