Reference Terms
from Wikipedia, the free encyclopedia

Inflammation of the kidney

Nephritis is inflammation of the kidney.

The two most common causes of nephritis are infection or an auto-immune process.

Nephritis has the effect of damaging and closing up the microscopic filters in the kidney.

This means that in addition to various toxic waste products, the inflamed kidney filters out important proteins (larger molecules) from the blood.

Therefore the characteristic symptom of nephritis is proteinuria - meaning the excessive removal of protein from the blood and its excretion in urine.

Note:   The above text is excerpted from the Wikipedia article "Inflammation of the kidney", which has been released under the GNU Free Documentation License.
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