ANATOMY

Detailed explanation-1: -Word Origin for vena cava Latin: hollow vein.

Detailed explanation-2: -A large vein that carries blood to the heart from other areas of the body.

Detailed explanation-3: -In anatomy, the venae cavae (/ˈviːni ˈkeɪvi/; singular: vena cava /ˈviːnə ˈkeɪvə/; from Latin ‘hollow veins’) are two large veins (great vessels) that return deoxygenated blood from the body into the heart. In humans they are the superior vena cava and the inferior vena cava, and both empty into the right atrium.

Detailed explanation-4: -The anterior vena cava, also known as the precava, drains the head end of the body, while the posterior vena cava, or postcava, drains the tail, or rear, end. In humans these veins are respectively called the superior and inferior venae cavae.