coproporphyrin

[ kŏp′rə-pôrfə-rĭn ]

n.

Either of two porphyrin compounds found normally in feces as a decomposition product of bilirubin.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.