portal system


Definition of portal system

: a system of veins that begins and ends in capillaries

Examples of portal system in a Sentence

Recent Examples on the Web Washington: Some independent pharmacies are questioning whether health officials have the authority to require them to use the D.C. Health vaccine portal system instead of their own, WUSA-TV reports. From Usa Today Network And Wire Reports, USA TODAY, 13 May 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'portal system.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of portal system

1754, in the meaning defined above

History and Etymology for portal system

portal vein

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Time Traveler for portal system

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The first known use of portal system was in 1754

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Cite this Entry

“Portal system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/portal%20system. Accessed 22 Sep. 2021.

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More Definitions for portal system

portal system


Medical Definition of portal system

: a system of veins that begins and ends in capillaries — see hepatic portal system, pituitary portal system

More from Merriam-Webster on portal system

Britannica.com: Encyclopedia article about portal system


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