Question

He kidney's ability to concentrate urine depends on the maintenance of an osmolarity gradient between the interstitial fluid of two structures: the cortex and the

Answer 1

The ability of the kidneys to concentrate urine is dependent on the maintenance of an osmolarity gradient between the interstitial fluid of the cortex and the medulla. Renal concentrating ability can be measured in the laboratory by assessing the specific gravity of the urine produced.