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Bilirubin is a viscous, brownish-yellow substance that is a natural byproduct of liver processes like breaking down old red blood cells. Normally, it is excreted from the body without cause for ...
In addition, near-term infants have more immature hepatic mechanisms for elimination of bilirubin than their term counterparts, placing them at increased risk for elevated serum bilirubin levels.
Conjugation of bilirubin and delivery to the intestine doesn't necessarily lead to excretion of the substance. Neonatal intestines contain beta-glucuronidase, an enzyme capable of reducing ...