Abdominal Veins Anatomy. Inferior vena cava (IVE), hepatic veins, hepatic portal vein, splenic vein, superior mesenteric vein, inferior mesenteric vein, left ascending lumbar vein, external illiac vein, interior phrenic veins, hepatic portal systen, systic veins, renal veins gonadal veins, lubar veins, right ascending lumbar veins, common iliac veins, internal iliac veins. Anatomical Illustration Medical Illustration. Copyrighted Material Illustrated by Laura Maaske Medical Illustrator, Medical Animator, Biomedical Communicator, & biological artist. For permission information contact the artist