The Peritoneum

• Serous membrane that holds abdominal organs in position

  composed of parietal and visceral layers,

  peritoneal cavity contains peritoneal fluid to reduce friction between the layers
• Organs within peritoneum


  intraperitoneal
• Organs behind peritoneum


  retroperitoneal
• Four major folds

  lesser omentum, greater omentum, transverse mesocolon, mesentery proper