Cannula meaning

kăn'yə-lə
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.
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A tube, usually with a trocar, for insertion into body cavities or ducts, as for drainage.
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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.
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(medicine) A tube inserted in the body to drain or inject fluid.
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(aviation) A hose or tube that connects directly to an oxygen (O2) bottle/source from the user's nose, commonly used by aircraft pilots or others needing direct oxygen breathing apparatus.
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Origin of cannula

  • Latin diminutive of canna reed cane
    From American Heritage Dictionary of the English Language, 5th Edition
  • From Latin cannula (“small or low reed”), diminutive of canna (“cane, reed”), from Ancient Greek κάννα (kanna, “reed”).
    From Wiktionary