meaning of Cannula

Cannula meaning in General Dictionary

A small pipe of metal lumber or India rubber useful for various reasons esp for inserting or withdrawing fluids most commonly it is associated with a trocar

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  • a little versatile pipe inserted into a body cavity for draining off liquid or introducing medicine
  • a tiny pipe of metal, wood, or india-rubber, employed for numerous purposes, esp. for inserting or withdrawing fluids. It is usually involving a trocar.

Cannula meaning in Medical Dictionary

A hollow pipe with a sharp, retractable internal core which can be placed into a vein, an artery, or any other human body hole.

Cannula meaning in Etymology Dictionary

1680s in medical sense, from Latin cannula "small reed or pipe," diminutive of canna "reed, pipeline" (see cane (n.)).