[ pôr′fō-bī-lĭn′ə-jən, -jĕn′ ]
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A porphyrin precursor found in large quantities in the urine in cases of acute or congenital porphyria.
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?
Words nearby porphobilinogen
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.