title: The retroperitoneal spaces revisited.
mesh_terms: D000328:Adult; D003106:Colon / Q000000981:diagnostic imaging; D004386:Duodenum / Q000000981:diagnostic imaging; D005205:Fascia / Q000000981:diagnostic imaging; D005260:Female; D005333:Fetus / Q000033:anatomy & histology; D006801:Humans; D007668:Kidney / Q000000981:diagnostic imaging; D008643:Mesentery / Q000000981:diagnostic imaging; D010179:Pancreas / Q000000981:diagnostic imaging; D011247:Pregnancy; D012187:Retroperitoneal Space / Q000033:anatomy & histology / Q000000981:diagnostic imaging* / Q000196:embryology; D014057:Tomography, X-Ray Computed