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Definition of "cannula" [can•nu•la]

  • 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. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "cannula" in a sentence
  • "Before the skull emerges, he "collapses" it by inserting a three-millimeter instrument known as a cannula and extracting its fluid."
  • "Cutting such holes, known as cannula, are common in the bovine research field."
  • "Liposuction (LYE-poe-suc-shun) is a procedure in which fat deposits are suctioned from the body using a small, hollow wand called a cannula (CAN-you-luh)."