The precaval vein ( anterior or superior vena cava) receives blood from the head and forelimbs; the postcaval vein ( posterior or inferior vena cava) drains blood from the trunk and hindlimbs.

What is the function of Precaval vein?

function. … major trunks, the anterior and posterior venae cavae, that deliver oxygen-depleted blood to the right side of the heart. 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.

What is the Postcaval vein?

inferior vena cava also called as postcaval vein. Superior vein or precaval vein is above the heart that has a diameter of 24nm and receives the deoxygenated blood from the upper half of the body above the alphagram. It is located in the anterior right. Receives blood from upper limb, eye and neck.