Portion of the aorta running from the diaphragm to the pelvis; major branches supply vital organs and legs.
The abdominal aorta is the final section of the aorta, the largest artery in the body. It is a continuation of the thoracic aorta. It begins at the diaphragm, and runs down to the point where it ends (by splitting in two to form the common iliac arteries). See the entire definition of Abdominal aorta
the portion of the aorta in the abdomen
Portion of the aorta running from the diaphragm to the pelvis; several branches feed vital organs.
The abdominal aorta is a large artery in the abdominal cavity. As part of the aorta, it is a direct continuation of descending aorta (of the thorax).