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urobilin

/ (ˌjʊərəʊˈbaɪlɪn) /
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noun
a brownish pigment found in faeces and sometimes in urine. It is formed by oxidation of urobilinogen, a colourless substance produced by bacterial degradation of the bile pigment bilirubin in the intestine
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for urobilin

urobilin
[ yur′ō-bīlĭn, -bĭlĭn ]

n.
A pigment in urine that produces an orange-red color whose intensity varies with its degree of oxidation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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