- a metal tube for insertion into the body to draw off fluid or to introduce medication.
Origin of cannula
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for canula
As the trocar is withdrawn, the canula should be pushed still further in.A Manual of the Operations of Surgery
By passing a canula into this and ligaturing, the cystic duct may be injected.Elementary Zoology, Second Edition
Vernon L. Kellogg
The time for removal of the canula varies according to the condition.
By these means it was drawn sufficiently forward so as to fasten it to a canula or catheter made fast in the urethra.History of Circumcision from the Earliest Times to the Present
Peter Charles Remondino
I then introduced a trocar and canula, and drew off fifty ounces of pus, slightly tinged with blood.Report on Surgery to the Santa Clara County Medical Society
Joseph Bradford Cox
- surgery a variant spelling of cannula
- surgery a narrow tube for insertion into a bodily cavity, as for draining off fluid, introducing medication, etc
C17: from Latin: a small reed, from canna a reed
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 canula
variant of cannula.
1680s in surgical sense, from Latin cannula "small reed or pipe," diminutive of canna "reed, pipe" (see cane (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper
- Variant ofcannula
- A flexible tube, usually containing a trocar at one end, that is inserted into a bodily cavity, duct, or vessel to drain fluid or administer a substance such as a medication.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.