abdominal is the second of the two large sections, into which the aorta, which is the main artery of the human body, is divided.
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Following the thoracic aorta - which is therefore the first large section of the aorta - the abdominal aorta runs through the abdomen towards the lower limbs, starting its course at the level of the diaphragm and ending at the fourth lumbar vertebra, where it bifurcation in right common iliac artery and left common iliac artery.
During its journey along the abdomen, the abdominal aorta gives life to numerous branches (branches of the abdominal aorta), which serve to distribute the oxygenated blood in the various tissues and organs of the abdomen and pelvis.
In the pathological field, the abdominal aorta is known, above all, for a condition called an aneurysm of the abdominal aorta.
