GlossaryCardiotomy: Giving an incision on the heart is called cardiotomy.Emboli: Embolus is a freely moving mass in the blood vessels, like thrombus, air or fat which could obstruct blood flow. Thrombus: A blood clot. Vena cavae: The superior and inferior vena cavae are the main veins of the body.Aorta: Largest artery of the body. Published on May 26, 2017Last Updated on May 26, 2017