Venous drainage commonly mirrors colonic arterial supply, with the inferior mesenteric vein draining into the splenic vein, and the superior mesenteric vein joining the splenic vein dual action cleanse work to articulation the portal vein that then enters the liver.
The transverse colon is the chunk of the colon from the hepatic flexure (the turn of the colon by the liver) to the splenic flexure (the corner of the colon by the spleen)