The Spanish word "bilirrubina" in English is bilirubin, a brownish yellow substance found in bile that is produced when the liver breaks down old red blood cells. It is then removed from the body through the stool (feces) and gives stool its normal color.
Not Medical Advice: Bilirubin circulates in the bloodstream in two forms:
Indirect (or unconjugated) bilirubin. This form of bilirubin does not dissolve in water (it is insoluble). Indirect bilirubin travels through the bloodstream to the liver, where it is changed into a soluble form (direct or conjugated).
Direct (or conjugated) bilirubin. Direct bilirubin dissolves in water (it is soluble) and is made by the liver from indirect bilirubin.
Total bilirubin and direct bilirubin levels are measured directly in the blood, whereas indirect bilirubin levels are derived from the total and direct bilirubin measurements.
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