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portography

(pôr-tŏgrə-fē)
n.
  1. X-ray visualization of the portal circulation using radiopaque material introduced into the spleen or into the portal vein.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.