Urobilinogen
A colorless compound formed in the intestines by the reduction of bilirubin. Some is excreted in the feces where it is oxidized to urobilin. Some is reabsorbed and re-excreted in the bile as bilirubin. At times, it is re-excreted in the urine, where it may be later oxidized to urobilin.
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Subheadings:
Tree Number(s): D03.383.129.578.840.249.852, D03.633.400.909.249.852, D04.345.783.249.852, D23.767.193.852
MeSH Unique ID: D014558
Registry Number: 14684-37-8