1 — Small intestine; 2 — Visceral peritoneum; 3 — Aorta; 4 — Inferior vena cava; 5 — Duodenum; 6 — Psoas major; 7 — Retroperitoneal space; 8 — Kidney; 9 — Colon; 10 — Peritoneal cavity; 11 — Parietal peritoneum; 12 — Mesentery; 13 — Rectus abdominis
1 — Small intestine; 2 — Visceral peritoneum; 3 — Aorta; 4 — Inferior vena cava; 5 — Duodenum; 6 — Psoas major; 7 — Retroperitoneal space; 8 — Kidney; 9 — Colon; 10 — Peritoneal cavity; 11 — Parietal peritoneum; 12 — Mesentery; 13 — Rectus abdominis