parumbilical vein

noun

par·​um·​bil·​i·​cal vein

ˌpar-ˌəm-ˈbil-i-kəl-, British usually -ˌəm-bə-ˈlī-

: 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