1. Bile pigments are the breakdown products of heme.2. The lack of stercobilin and other bile pigments causes feces to become clay-colored. 3. Besides his studies in haemophilia, Addis made many contributions to the understanding of bile pigment metabolism. 4. Inflammation of the liver can cause the eyes and skin to turn yellow from a buildup of bile pigments . 5. He made contributions in his research of uric acid and in his extensive studies of tyrosine and bile pigments . 6. Most of the above-described syntheses have application in the synthesis of porphyrins, bile pigments , and dipyrrins. 7. "' Biliverdin "'is a green tetrapyrrolic bile pigment , and is a product of heme catabolism. 8. The yellowing is a result of a buildup of bile pigments in the blood that follows the liver damage from the hepatitis. 9. The presence of pale stools and dark urine suggests an obstructive or post-hepatic cause as normal feces get their color from bile pigments . 10. When the gallbladder is acutely inflamed, it's usually because stones _ clumps of fatty material or bile pigment _ have accumulated inside it.