portal hypertension
noun
: hypertension in the hepatic portal system caused by venous obstruction or occlusion that produces splenomegaly and ascites in its later stages
Cite this Entry
“Portal hypertension.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/portal%20hypertension. Accessed 31 Oct. 2025.
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