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Pronunciation: por'tal


  1. Relating to any porta or hilum, specifically to the porta hepatis and the portal vein.
  2. The point of entry into the body of a pathogenic microorganism.

Synonym(s): port

[L. portalis, pertaining to a porta (gate)]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.