RIGHT COMMON ILIAC ARTERY

 

 

ORIGIN: Abdominal aorta

 

 

COURSE/DISTRIBUTION: Arises as terminal branch of the abdominal aorta in front of the body of L4 vertebrae, to the left of the midline, and on the left of the inferior vena cava. It immediately passes to the right from the aorta and is crossed anteriorly the sympathetic fibers that pass to the superior hyogastric plexus. It is separated from coils of intestine by the parietal peritoneum, which covers its entire length and is crossed anteriorly by the ureter at its bifurcation. The sympathetic trunk lies behind it. It lies initially in front of the inferior vena cava, followed by the right common iliac vein. It divides into its two terminal branches (external and internal iliac arteries) in front of the right sacroiliac joint.

 

BRANCHES:

  • Peritoneal branches to peritoneum
  • Muscular branches to psoas major
  • Ureteric branches to ureter
  • Iliolumbar artery (rare).
  • Accessory renal artery (rare).

 

 

 

 

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