Urobilinogen is formed in which organ?

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Multiple Choice

Urobilinogen is formed in which organ?

Explanation:
Urobilinogen is formed by the action of intestinal bacteria on bilirubin in the gut. Bilirubin, produced from heme breakdown, is conjugated in the liver and excreted into bile, which delivers it to the intestine. There, gut bacteria reduce the conjugated bilirubin to urobilinogen. Some of this is reabsorbed into the bloodstream and recycled by the liver, while the rest is excreted in feces after further oxidation to stercobilin. A portion that’s absorbed can appear in urine as urobilinogen after hepatic processing. This is why the formation occurs in the intestine rather than the kidney, spleen, or liver itself.

Urobilinogen is formed by the action of intestinal bacteria on bilirubin in the gut. Bilirubin, produced from heme breakdown, is conjugated in the liver and excreted into bile, which delivers it to the intestine. There, gut bacteria reduce the conjugated bilirubin to urobilinogen. Some of this is reabsorbed into the bloodstream and recycled by the liver, while the rest is excreted in feces after further oxidation to stercobilin. A portion that’s absorbed can appear in urine as urobilinogen after hepatic processing. This is why the formation occurs in the intestine rather than the kidney, spleen, or liver itself.

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