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Portal hypertension is a condition in which the blood pressure of the portal venous system is too high. It is often the result of cirrhosis of the liver. Liver cirrhosis can lead to increased intrahepatic vascular resistance and vasodilation of portal system arteries, both of which increase pressure in the portal vein. [4]
In histology (microscopic anatomy ), the lobules of liver, or hepatic lobules, are small divisions of the liver defined at the microscopic scale. The hepatic lobule is a building block of the liver tissue, consisting of a portal triad, hepatocytes arranged in linear cords between a capillary network, and a central vein .
Porto-systemic anastomosis Portal caval system. A portacaval anastomosis or portocaval anastomosis is a specific type of circulatory anastomosis that occurs between the veins of the portal circulation and the vena cava, thus forming one of the principal types of portasystemic anastomosis or portosystemic anastomosis, as it connects the portal ...
June 16, 2024 at 11:58 AM. Hollywood’s summer movie anxieties gave way to joy this weekend with the massive debut of Disney and Pixar’s “ Inside Out 2 .”. The animated sequel earned $155 ...
The 5th US Circuit Court of Appeals narrowed the scope of the Voting Rights Act for redistricting cases in a large swath of the South, ruling against the Justice Department and voters of color who ...
In the circulatory system of vertebrates, a portal venous system occurs when a capillary bed pools into another capillary bed through veins, without first going through the heart. Both capillary beds and the blood vessels that connect them are considered part of the portal venous system. Most capillary beds drain into venules and veins which ...
A causal loop diagram ( CLD) is a causal diagram that aids in visualizing how different variables in a system are causally interrelated. The diagram consists of a set of words and arrows. Causal loop diagrams are accompanied by a narrative which describes the causally closed situation the CLD describes. Closed loops, or causal feedback loops ...
August 2, 2024 at 12:25 PM. The Republican Party platform, updated last month for the first time since 2016, appeared to shift away from the party’s long-held opposition to same-sex marriage ...