parumbilical vein
noun
par·um·bil·i·cal vein
| \ ˌpar-ˌəm-ˈbil-i-kəl-, British usually -ˌəm-bə-ˈlī-\
Medical Definition of parumbilical vein
: any of several small veins that connect the veins of the anterior abdominal wall with the portal vein and the internal and common iliac veins