1 – Visceral peritoneum; 2 – Right colic flexure; Hepatic flexure; 3 – Transverse colon; 4 – Middle colic artery and Left colic artery (Anastomosis); 5 – Left colic flexure; Splenic flexure; 6 – Transverse mesocolon; 7 – Left colic artery; 8 – Middle colic artery