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Gastrointestinal Ligaments

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Topic updated on 12/18/16 12:21pm

Overview
 
                     
                      
  • Overview
    • a peritoneal ligament consists of a double layer of peritoneum that connects an organ with another organ or to the abdominal wall
  • Falciform ligament
    • connects liver to the anterior abdominal wall
    • contains the ligamentum teres hepatis, an embryological remnant of the left umbilical vein
    • a derivative of the ventral mesentery
  • Omentum
    • overview
      • a fold of peritoneum extending from the stomach to the adjacent abdominal organs
    • lesser omentum
      • a double layer of peritoneum that extends from the liver to the lesser curvature of the stomach and proximal part of the duodenum
      • consists of the hepatogastric and hepatoduodenal ligaments
      • hepatogastric ligament
        • connects the liver to the lesser curvature of the stomach
        • contains the left and right gastric arteries
        • separates the right greater and lesser sacs
        • may be cut during surgery to access the lesser sac
      • hepatoduodenal ligament
        • connects the liver to the duodenum
        • contains the porta hepatis
          • porta hepatis = portal vein, hepatic artery, and common bile duct
        • the lesser sac communicates with the greater sac through the epiploic foramen aka foramen of Winslow, an opening situated posterior to the free edge of the lesser omentum (hepatoduodenal ligament)
        • Pringle's maneuver
          • a temporary cross-clamping of hepatoduodenal ligament containing portal triad at epiploic foramen (of Winslow) for control of hepatic bleeding during liver surgery or donor hepatectomy for living liver transplantation
            • index finger is passed from the greater sac, through the epiploic foramen, and into the lesser sac
            • lateral edge of the hepatoduodenal ligament is pinched between the thumb and index finger, which compresses the hepatic artery to control bleeding
    • greater omentum
      • a quadruple layer of peritoneum that hangs down like an apron from the greater curvature of the stomach and proximal part of the duodenum, covering the transverse colon and other abdominal viscera
      • consists of gastrosplenic, splenorenal, and and gastrocolic ligaments
      • gastrosplenic ligament
        • connects greater curvature of the stomach to the spleen
        • contains the short gastric arteries
        • separates the left greater and lesser sacs
      • splenorenal ligament
        • connects the spleen to the posterior abdominal wall
        • runs from the hilum of the spleen to the left kidney
        • contains the splenic artery, splenic vein, and tail of the pancreas
      • gastrocolic ligament
        • connects the greater curvature of the stomach to the transverse colon
        • contains the left and right gastroepiploic arteries 
 


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