NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,389 terms related to cancer and medicine.

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vena cava
(VEE-nuh KAY-vuh)
A large vein that carries blood to the heart from other areas of the body. The vena cava has two parts: the superior vena cava and the inferior vena cava. The superior vena cava carries blood from the head, neck, arms, and chest. The inferior vena cava carries blood from the legs, feet, and organs in the abdomen and pelvis. The vena cava is the largest vein in the body.