When blood flow through the portal vein is obstructed, blood travels through smaller vessels around the liver called ____.

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When blood flow through the portal vein is obstructed, blood travels through smaller vessels around the liver called collaterals. Ascites refers to the build-up of fluid in the abdominal cavity, bypass is a term used for surgical procedures that reroute blood flow, and varices refer to enlarged and swollen veins in the esophagus or stomach that can result from portal hypertension.

When Blood Flow Through the Portal Vein Is Obstructed, Blood