- a reddish bile pigment, C33H36O6N4, resulting from the degradation of heme by reticuloendothelial cells in the liver: a high level in the blood produces the yellow skin symptomatic of jaundice.
Origin of bilirubin
Examples from the Web for bilirubin
Historical Examples of bilirubin
The modern view of hmatogenous jaundice had its origin in the supposed discovery of the identity of hmatoidin with bilirubin.
The union of bilirubin and lime salts illustrates the same principle.
Bilirubin is soluble in alkalies, and is precipitated from its solution by acids.
It may assume a greenish hue after standing, owing to oxidation of bilirubin into biliverdin.A Manual of Clinical Diagnosis
James Campbell Todd
- an orange-yellow pigment in the bile formed as a breakdown product of haemoglobin. Excess amounts in the blood produce the yellow appearance associated with jaundice. Formula: C 32 H 36 O 6 N 4
Word Origin for bilirubin
Word Origin and History for bilirubin
- A red bile pigment derived from the degradation of hemoglobin during the normal and abnormal destruction of red blood cells.
- A reddish-yellow pigment that is a constituent of bile and gives it its color. Bilirubin is a porphyrin derived from the degradation of heme. It is often a constituent of gallstones, and also causes the skin discoloration seen in jaundice. Chemical formula: C33H36N4O6.