The largest arterial conduit, or artery, in the abdominal cavity: The abdominal aorta refers to the portion of the largest artery in the body below the diaphragm to the bifurcation, the right and left common iliac arteries or the upper and largest, part of the bony pelvic girdle.

It supplies blood to the abdominal viscera, pelvic organs, and lower extremities.

The abdominal aorta provides blood to the abdominal structures, such as the testes, ovaries, kidneys, and stomach.