NCIt related terms : Structure of common iliac vein (body structure);
NCIt definition : A blood vessel containing deoxygenated blood formed by the joining of the internal
and external iliac veins at the pelvic brim that runs upward behind the internal iliac
artery to the right side of the fifth lumbar vertebra where it joins with its counterpart
from the opposite side of the body to form the inferior vena cava.;