1 – Hepatic portal vein; 2 – Splenic vein; 3 – Middle colic vein; 4 – Superior mesenteric vein; 5 – Right colic vein; 6 – Ileocolic vein; 7 – Anterior/posterior caecal veins; 8 – Appendicular vein
1 – Hepatic portal vein; 2 – Splenic vein; 3 – Middle colic vein; 4 – Superior mesenteric vein; 5 – Right colic vein; 6 – Ileocolic vein; 7 – Anterior/posterior caecal veins; 8 – Appendicular vein