Question

what is urine medulla​

Answer 1

Answer:

Urine concentrating mechanism in the outer medulla

Urine concentrating mechanism in the outer medullaBecause of the reabsorption of fluid from descending limbs of the loops of Henle, the fluid delivered to the ascending limbs has a high NaCl concentration that favors transepithelial NaCl transport from ascending limb fluid.

Answer 2

Answer

The renal medulla produces concentrated urine through the generation bof an osmotic gradient extending from the cortico-medullary boundary to the inner medullary tip.