MICROANATOMY

Detailed explanation-1: -The inferior vena cava (IVC) is a large retroperitoneal vessel formed by the confluence of the right and left common iliac veins. Anatomically this usually occurs at the L5 vertebral level.

Detailed explanation-2: -The union of the internal and external iliac veins creates the common iliac vein, while the inferior epigastric vein drains into the external iliac vein and anastomoses from the superior epigastric vein.

Detailed explanation-3: -The external and internal iliac veins combine to form common iliac veins. These veins join to become the inferior vena cava, your largest vein.

Detailed explanation-4: -The inferior vena cava is a large vein that carries the deoxygenated blood from the lower and middle body into the right atrium of the heart. It is formed by the joining of the right and the left common iliac veins, usually at the level of the fifth lumbar vertebra. Anterior (frontal) view of the opened heart.