Urine is a highly saturated solution of extremely complicated composition. Its basic organic constituents are urea, uric acid and its salts, formed by the oxidation of purines. In that fluid, ...

When we drink little, we produce less urine. But how is this process regulated? An international team of scientists led by Prof. Kai Schmidt-Ott of the Max Delbrück Center for Molecular Medicine (MDC) ...

The controversies which, in the past, have A characterized the experimental literature on the nature of renal function have resulted in large part from lack of information concerning the composition ...

A urine specific gravity test compares the density of urine to the density of water. This quick test can help determine how well your kidneys are diluting your urine. A urine test is a painless way ...

In recent decades, the emphasis of biomarker research has centered around blood-based markers. However, blood biomarkers alone cannot capture the full spectrum of clinically relevant indicators.

Tolvaptan, an arginine vasopressin receptor antagonist, decreases urinary supersaturation in kidney stone formers by considerably increasing diuresis, suggesting that this drug might be an effective ...

Water can be absorbed within minutes of ingestion. Your kidneys are always active, so any water your body doesn’t need will come out via urine or sweat. This happens much faster than it takes solid ...