Extraperitoneal spaces.
D000328:Adult; D001201:Ascites / Q000000981:diagnostic imaging; D001826:Body Fluids / Q000000981:diagnostic imaging; D005205:Fascia / Q000033:anatomy & histology; D005333:Fetus / Q000033:anatomy & histology; D006801:Humans; D007668:Kidney / Q000033:anatomy & histology; D008643:Mesentery / Q000033:anatomy & histology; D010195:Pancreatitis / Q000000981:diagnostic imaging; D010529:Peritoneal Cavity / Q000033:anatomy & histology* / Q000000981:diagnostic imaging / Q000196:embryology; D012187:Retroperitoneal Space / Q000033:anatomy & histology* / Q000000981:diagnostic imaging / Q000196:embryology; D014057:Tomography, X-Ray Computed