noun Biochemistry.
- 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.
noun
- 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
“reddish pigment found in bile,” 1871, from German bilirubin (1864), from bili- (see bile) + Latin ruber “red” (see red (1)) + -ine (2).
n.
- 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.