The aorta is one of the retroperitoneal structures, and at the level of L4 it divides into the left and right common iliac arteries, each of which then divide into the Left and right iliac arteries. When does this arterial "tour" stop being retroperitoneal? I just wondered that after answering to a Uworld question that says that "arterial puncture above the inguinal ligament increases the risk of retroperitoneal hemorrhage, as the area is directly over the retroperitoneal space".... Retroperitoneum (Source: Student Doctor Network)
Source: Student Doctor Network - April 17, 2016 Category: Universities & Medical Training Authors: DrPettans Source Type: forums