NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,861 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

peripheral venous catheter
(peh-RIH-feh-rul VEE-nus KA-theh-ter)
A device used to draw blood and give treatments, including intravenous fluids, drugs, or blood transfusions. A thin, flexible tube is inserted into a vein, usually in the back of the hand, the lower part of the arm, or the foot. A needle is inserted into a port to draw blood or give fluids.

EnlargePeripheral venous catheter; drawing of a peripheral venous catheter in a vein in the lower part of the arm with the catheter tubing clamped and capped off at the end.

Peripheral venous catheter. A peripheral venous catheter is a thin, flexible tube that is inserted into a vein. It is usually inserted into the lower part of the arm or the back of the hand. It is used to give intravenous fluids, blood transfusions, chemotherapy, and other drugs.