- bilirubinoids
- Generic term denoting intermediates in the conversion of bilirubin to stercobilin by reductive enzymes in intestinal bacteria. Included are mesobilirubin, mesobilane, mesobilene-b, urobilinogen, urobilin, reduction products of mesobilane (stercobilinogen) and mesobilene (stercobilin), and mesobiliviolin; most are found in normal urine and feces. Products related to these intermediates and found in pathological conditions ( e.g., jaundice, liver disease) are the structurally indefinite probilifuscins and propentdyopents found in gallstones.
Medical dictionary. 2011.