A cannula is a thin tube inserted into a vein or organ to give medication, remove fluids, or allow for other medical procedures. It is typically made of flexible plastic or metal and has a hollow center so fluids can pass through. Cannulas are commonly used in medical settings to provide access to veins for delivering medications or fluids directly into the bloodstream. They can also be used for removing fluids or gases from the body or for surgical purposes.

“cannula”的英语定义和含义

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