number of ruptures of arterial internal elastic lamina number of ruptures of the internal elastic lamina of the abdominal aorta and iliac arteries 2014-08-18T15:35:18Z JSMITH The value or quantity determined by count of tears or breaks in the continuity or configuration of the internal elastic lamina (IEL) of the abdominal aorta and iliac arteries, that is, the distal segment of the descending aorta and the large arteries that originate from it. number of AA- and IA-RIEL number of RIEL in abdominal aorta and iliac arteries