Rosenbach's test
Rosenbach's test
Rosenbach's test (pronunciation: roh-zen-bahk's test) is a medical diagnostic procedure used to detect the presence of bile in the urine. It is named after the German physician Otto Rosenbach, who first described the test.
Etymology
The term "Rosenbach's test" is derived from the name of its inventor, Otto Rosenbach (1851-1907), a German physician known for his contributions to the field of internal medicine and neurology.
Procedure
In Rosenbach's test, the urine sample is first heated to evaporate any existing ammonia. Then, it is treated with nitric acid and ammonium sulphate. The presence of bile is indicated by the formation of a green ring at the junction of the two liquids.
Related Terms
- Bile: A yellow-green fluid produced by the liver that aids in the digestion and absorption of fats.
- Urine: A liquid by-product of the body secreted by the kidneys and excreted through the urethra.
- Nitric Acid: A highly corrosive and toxic strong acid, colorless when pure but tends to acquire a yellow cast due to the accumulation of oxides of nitrogen if long–stored.
- Ammonium Sulphate: An inorganic salt with a number of commercial uses, commonly used in fertilizers.
See Also
External links
- Medical encyclopedia article on Rosenbach's test
- Wikipedia's article - Rosenbach's test
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