Refers to behind the peritoneum (lining of the abdominal cavity).
Behind or outside the peritoneal cavity.
external to the peritoneum lining the abdominal cavity
Residing behind the peritoneam; this chamber is not in the abdominal cavity. For instance the kidney is a retroperitoneal
The anatomic space between the peritoneum and back muscles. The aorta and kidneys are located here.
Behind or posterior to the peritoneum
Having to do with the area outside or behind the peritoneum (the tissue that lines the abdominal wall and covers most of the organs in the abdomen).
Located behind the peritoneum and outside the peritoneal cavity.