Why is poo brown?

Discussion in 'Biology & Genetics' started by Yes, Nov 2, 2003.

  1. Yes Registered Senior Member

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    279
    Why the colour brown?
    My sister once got white poo and nobody knew why. What could it have been? She wasn't sick or anything, it was just white.
    Another question. Is kashmir made out of goat stomaches? Somebody just said it on tv.
     
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  3. skyederman Registered Senior Member

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    The brown colour is from bile excreted by the gall bladder. This is largely due to bilirubin, which is produced by the liver as it breaks down haemogobin in your blood.

    Your sister probably wasn't producing or excreting much bile at the time, unless she ate say, lots of dairy products.
     
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  5. tablariddim forexU2 Valued Senior Member

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    Kashmir is super fine wool sheared from the belly (underside) of the goat
     
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  7. Yes Registered Senior Member

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    Aha, on tv it sounded like it were the insides of the belly they used.
     
  8. tablariddim forexU2 Valued Senior Member

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    But seriously Yes... you ever see anyone wearing a pullover made of goat stomachs? ROFLMAO

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  9. sargentlard Save the whales motherfucker Valued Senior Member

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    Kashmir is a state in India...*boo get off the stage*......
     
  10. Yes Registered Senior Member

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    No, that's why I got so astonished when they said that on tv. Because everything they say on tv is true...right?
     
  11. Konek Lazy user Registered Senior Member

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    Bilirubin is, indeed, the result of hemoglobin breakdown at the liver. The gall bladder is not involved at all (bile is green). When liver function is impaired (for example, if you have hepatitis), you become jaundiced (yellow) because you are unable to get rid of bilirubin the usual way.
     
  12. skyederman Registered Senior Member

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    The gall bladder is so involved in the poo colour

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    It excretes bile into the small intestine, which is produced by the liver and includes conjugated bilirubin. The bilirubin is actually yellowish though, but gets modified in the intestines to stercobilin, which is brown.
     
  13. Yes Registered Senior Member

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    Thank you for answering my silly question.

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  14. SwedishFish Conspirator Registered Senior Member

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    i always thought it was due to bile until we actually made it in vitro in biochem. after much digestion of sugars, the resulting product was a brown mass resembling poo. there were the appropriate gases present as well.
     
  15. ele Registered Senior Member

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    hi skyederman. think i recognise u.

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