Inferior Mesenteric Artery (IMA)


  • transverse colon, splenic flexure, descending colon
  • sigmoid colon and rectum
  • duodenum, pancreas, spleen and kidneys in situ
  • mesocolon and greater omentum partly retained
  • aorta, IMA with branches, supplying large intestine, inferior Vena cava
  • right side: internal iliac artery with branches
  • includes the posterior abdominal wall and part of pelvis for stability and topographic orientation