Question

What is precaval vein and postcaval vein?

Answer 1

Precaval vein:

1. The precaval vein, also known as superior vena cava gathers oxygen-depleted blood from the head, chest, and arms to the right heart, specifically the right atrium.
2. It is formed by the external and internal jugular veins, subclavian vein, and anterior intercostal vein.

Postcaval vein:

1. The postcaval vein, also known as the inferior vena cava gathers oxygen-depleted blood from the middle and lower extremities of the body to the right heart, specifically the right atrium.
2. It is formed by the right and left iliac veins, renal and hepatic veins, and gonadal veins.