rétropéritoine
Rétropéritoine refers to the anatomical space located behind the peritoneum. The peritoneum is a serous membrane that lines the abdominal cavity and covers most of the abdominal organs. The retroperitoneal space lies between the parietal peritoneum and the posterior abdominal wall.
This space contains several important organs and structures, including the kidneys, adrenal glands, pancreas, duodenum (except
Conditions affecting this region can be varied and serious. Tumors can arise from the retroperitoneal tissues