Vena Paraumbilicalis is a medical term that refers to the vein that runs parallel to the umbilicus or belly button. This vein plays a crucial role in the circulatory system as it connects two major veins, the portal vein, and the inferior vena cava. There are several synonyms used to describe the Vena Paraumbilicalis, such as the paraumbilical vein, the paraumbilical vein of Sappey, and the vein of the round ligament. These terms are commonly used in medical contexts and help physicians and healthcare professionals to accurately describe and identify specific veins and their location in the human body.