Are Kidneys Retroperitoneal?

Are Kidneys Retroperitoneal? There is also fat tissue, called perirenal fat, that surrounds the kidneys for protection. The kidneys are considered “retroperitoneal” organs, which means they sit behind a lining in the abdominal cavity, unlike all other abdominal organs. Are stomach organs retroperitoneal? The peritoneal cavity contains the omentum, ligaments, and mesentery. Intraperitoneal organs include