compression from the crus of the diaphragm during ventilation where it originates from the abdominal aorta. This is known as median arcuate ligament syndrome. This may present no symptoms, but can cause pain due to restricted blood flow to the superior mesenteric artery. Additional images See also Celiac artery compression syndrome Reference External links - "Branches of the celiac trunk." - "Parietal and visceral branches of the abdominal aorta." Arteries of the abdomen