porphobilinogen

porphobilinogen definition - medical

por·pho·bi·lin·o·gen (pôrˌfō-bī-lĭnˈə-jən, -jĕnˌ)

noun Abbr. PBG
A porphyrin precursor found in large quantities in the urine in cases of acute or congenital porphyria.

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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