portal

portal definition - medical

por·tal (pôrˈtl)

adjective
  1. Of or relating to a porta or hilum.
  2. Of or relating to the portal vein or the portal system.
  3. Of or relating to a point of entrance to an organ, especially the transverse fissure of the liver, through which the blood vessels enter.
noun
  1. The portal vein.
  2. The point of entry into the body of a pathogenic microorganism.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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