An abnormal balloon- or sac-like dilatation in the wall of the ABDOMINAL AORTA which gives rise to the visceral, the parietal, and the terminal (iliac) branches below the aortic hiatus at the diaphragm.

Synonyms: Abdominal Aortic Aneurysms, Aneurysm, Abdominal Aortic, Aortic Aneurysm, Abdominal, Abdominal Aortic Aneurysm, Aneurysms, Abdominal Aortic, Aortic Aneurysms, Abdominal