| 释义 | uro·bi·lin·o·gen \-ˌbīˈlinəjə̇n, -ˌjen\ noun
 (-s)
 Etymology: International Scientific Vocabulary urobilin + -ogen (as in stercobilinogen)
 : any of several chromogens that are reduction products of bilirubin and yield urobilins on oxidation — called also stercobilinogen
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