Composition of urine

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Just pee? What's in it, can give important clues to the diagnosis.
After the extensive resorption and Rückresorptionsprozessen Tubulusapparat in the kidney or urinary Endharn finally left the left. It consists of 95 percent water. Various substances are dissolved in it:

     Urea: Urea is an end product of protein metabolism. It is synthesized in the liver. Every day about 25 grams of urea are excreted.
     Uric acid which is excreted daily about 1 gram. Uric acid is a metabolic end product of purines. An accurate representation of the relationships can be found here.
     Creatinine: Creatinine is the product of muscle metabolism. Also in carnivore dietary creatinine is included, which must be eliminated. Every day, about 1.5 grams
     Salts: About 10 grams of salts (organic and inorganic), especially table salt (NaCl) are excreted daily.
     Phosphates and organic acids such as oxalic acid and citric acid are excreted daily in varying amounts. An average of 3 grams


The color comes from bile pigment bilirubin.
His color is the urine of the urochrome. These are nitrogen-containing yellow dyes. They result in the degradation of proteins and bilirubin. Bilirubin is an essential component of bile. There will inevitably be degraded via intermediates to urobilin, which has an orange-yellow color.


Bleeding and infection can alter the color of your urine.
If the urine has a brown or reddish color, usually a hemorrhage in the kidney or urinary tract is responsible (hematuria). To infection indicates an off-white to creamy color. This color indicates that a large amount of white blood cells in urine is (leukocyturia).

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