Anatomy of portal system Esophageal veins The portal vein LIver Short supplies 70% of the gastric veins blood flow to the liver portal veins Left, night gastric veins but only 40% of the Splenic vein Portal vein liver oxygen supply Gastro- The remainder of the Veins from epiploic vein pancreas blood comes from the duodenum Inferior mesenteric hepatic artery, and vein Veins from ascending Superior blood from both of colon mesenteric vein these vessels mixes in the sinusoids Veins from Veins from descending jejunum ileum sigmoid colon
Anatomy of Portal System The portal vein supplies 70% of the blood flow to the liver, but only 40% of the liver oxygen supply. The remainder of the blood comes from the hepatic artery, and blood from both of these vessels mixes in the sinusoids
Ducts and vessles of the liver Tow concept Glisson's sheath Lobule of the liver
Ducts and vessles of the liver Tow concepts: Glisson’s sheath Lobule of the liver
Sinus Central Portal triad Liver lobule
Liver lobule Portal triad Central v. Sinus
小叶间动脉 I nterlobular artery 小叶间静脉 Interlobular vein --小叶间胆管 Interlobular bile duct 中央静脉 Central vein 肝小叶 Hepatic lobule 肝小叶模式图 igr
Four ramus communicans between portal and systemic circulations esophageal and gastric veins anterior abdominal wall veins retroperitoneal venous plexus inferior rectal-anal veins
Four ramus communicans between portal and systemic circulations esophageal and gastric veins inferior rectal-anal veins anterior abdominal wall veins retroperitoneal venous plexus