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What is Sacral promontory is the landmark for and explain in detail?
The superior hypogastric plexus or the presacral nerve lies in front of the bifurcation of the abdominal aoa and the body of fifth lumbar veebra just below which lies sacral promontery.Origin of inferior mesenteric aery is in front of L3.Origin of superior mesenteric aery is in front of L1.Reference: Textbook of anatomy,Abdomen and Lower limb, Vishram Singh, 2nd editon, page no.162,199,160