Urine is sterile(?)

Discussion in 'Et Cetera, Et Cetera' started by AlbertCunning, Dec 10, 2006.

  1. AlbertCunning

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    Yes, I've heard this a number of times about number ones.
    The question is of course: Is it true?
    Or is it just a slightly well established myth?

    I guess if it is true, it would be a fair statement that it is only sterile while inside the bladder; considering it consists largely of nitrates and.....stuff....which make a nice culture for outside bacteria to grow in.

    Any qualified people to answer this, apart from the obviously inspired guessers?

    If you're not qualified, I'd anyway like to hear from you where and when you've come across this rumour/truth yourself.
     
  2. AlteredEgo

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    I have heard for years this crap about urine being sterile. Fresh, just-expelled urine is not sterile, but is hypo-allergenic to the eliminator. As you say, however, it is the perfect playground for... nastyness. So this quickly loses any validity as well. Within minutes, in fact, I once read.
     
  3. kalipygian

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    I have been told by a MD that it is virtually sterile when it leaves the body.
     
  4. Chrysalis

    Chrysalis New Member

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    Professionally, I am a Clinical Laboratory Microbiologist. Every day I work with bacteria, fungi, viruses, and/or parasites.

    In answer to your questions:

    The definition of sterile is that something does not contain microorgansms (in the case of urine, infecting microorganisms can be bacteria, yeast, Ureaplasma or Mycoplasma.)

    So, freshly expelled normal urine is sterile (not just hypoallergenic to the eliminator.)

    The exception would be if a person has a urinary tract infection. If this is the case, he or she would probably become aware of the infection quite rapidly, due to symptoms.

    If a person does not have an infection, urine is simply the waste by-product of the kidneys' constant cleansing of our blood. This includes metabolized chemicals, excess electrolytes such as sodium, and a number of other things that are "filtered" from our bloodstream. Our blood and kidneys are normally sterile, therefore the by-product is also.

    You are also correct in saying that urine is an ideal growth medium for bacteria. If bacteria reach the bladder, it is quite easy for them to multiply and cause an infection.

    The reason UTI (Urinary Tract Infection) is more common in women is that our urethras are much shorter than men's, and bacteria don't have to travel as far to reach our bladders. The average female urethra is 1" to 1.5", whereas the average male urethra is about 8" long (or much longer, for some LPSG members.):biggrin1:

    This is part of the reason it is advisable for women to urinate following sexual intercourse. It helps to flush bacteria out of the urethra, if they happen to have gotten in.
     
  5. AlbertCunning

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    Sometimes even during?
     
  6. AlbertCunning

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    Anyway, thanks for your answer.
    In future dispute I can bring you in as an expert witness.
    I guess you will state this under oath as well?....
     
  7. Chrysalis

    Chrysalis New Member

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    Of course. :wink:
     
  8. AlteredEgo

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    *stands corrected* :biggrin1:
     
  9. Mr. Snakey

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    This is true. A doctor told me this years ago.....:cool:
     
  10. Sergeant_Torpedo

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    Air, water, urine can harbour pathogents. If you have a phobia about piss then keep away from it: don't use office, hotel or public conveniences. Aesthetically it isn't an attractive substance but provided the person or animal producing it is healthy then it will be sterile. How many times does this have to be repeated. I assure you if you are dangerously dehydrating in a desert it would be a good idea to filter your urine (through sand for example) if you wish to survive. But of course some lpsg visitors would rather die, right?
     
  11. AlbertCunning

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    As many times it takes for the majority of people in the world to know this for sure.

    I had a dispute with a nurse-friend of mine some years ago. I insisted it was true, and she denied. Of course, she was only training to be a nurse at the time.

    Maybe I'll bring up the piss argument again some day, now that she is a qualified nurse; whatever that means.
     
  12. dreamer20

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    Your urine is already a filtrate of the kidneys. It would therefore not need
    refiltration through sand.
     
  13. AlbertCunning

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    The sand may absorbe some of the urine's ingredients and make it taste better, or not at all?
     
  14. Peter Pud

    Peter Pud New Member

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    Urine in a healthy person is sterile when exiting the body. If however it has been on body parts or just sitting in a lab container it will begin to grow bacteria. Fresh urine from the bladder is sterile. If it is not sterile you have a condition called a urinary tract infection or UTI, this could be an indication of more serious problems like a condition called sepis or other types of much more serious infection.

    Peter
     
  15. Peter Pud

    Peter Pud New Member

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    The reason it would need filtering is not from the possible bacteria unless it is not fresh. Remember that this is a waste product of the body so it needs filtered to remove the harmful nitrogen products the kidneys have filterd out of the blood system. In the dying of thirst situation you are only after the liquid water all the other wastes need to be removed. Usually when in a thirsting situation the body concentrates the urine as much as possible so there is probably very little recoverable water in the urine of a thirsting person

    Peter
     
  16. dreamer20

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    Thanks for the info Peter Pud and Sargeant Torpedo.:smile:
     
  17. AlbertCunning

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    What?
    No thanks to the thread-starter?
    Or Chrysalis who wrote her ass off?
    (snubbed...)
     
  18. joyboytoy79

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    I think dreamer was talking about the filtering-in-times-of-dire-thirst thing, which neither you nor Chrysalis touched on.
     
  19. Vestigial

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    Urine can be further sterilized by peeing on a nuclear bomb before detonation.


    Tests in Russia should confirm this.
     
  20. AlbertCunning

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    No thread, no filtering-in-times-of-dire-thirst thing.
    (offended...)
     
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