这个词是什么意思？
A condition in which the hepatic venous outflow is obstructed anywhere from the small HEPATIC VEINS to the junction of the INFERIOR VENA CAVA and the RIGHT ATRIUM. Usually the blockage is extrahepatic and caused by blood clots (THROMBUS) or fibrous webs. Parenchymal FIBROSIS is uncommon.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D006502 · MeSH 2026。
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