noun[mass noun] Biochemistry
A green pigment excreted in bile. It is an oxidized derivative of bilirubin.
- While the carbon monoxide either is carried in the blood in the form of carboxyhemoglobin or is excreted by the lungs, the biliverdin is converted to bilirubin by biliverdin reductase.
- This finding implied that the mutants are defective in heme-oxygenase, an enzyme that converts heme into biliverdin.
- This hypothesis is based on the antioxidant qualities of the blue-green eggshell pigment biliverdin and on the differential allocation version of sexual selection proposed by Burley as applied to female signals.
Mid 19th century: from Latin bilis 'bile' + French vert 'green' + -in1.
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