Which feature enables the mammalian kidney to concentrate urine in the medullary region?

Mammalian kidney is

Prove that mammalian urine contains urea.

Which one of the following enables the mammalian kidney to regulate water reabsorption during states of dehydration?

What is the space within the mammalian kidney called?

Assertion :- Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed. Reason :- Counter current mechanism helps to maintain a concentration gradient in the medullary interstitium.

Assertion :- Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed. Reason :- Counter current mechanism helps to maintain a concentration gradient in the medullary interstitium.

In a mammalian kidney, loops of Henle are mainly located in

In a mammalian kidney, loops of Henle are mainly located in

In a mammalian kidney, loops of Henle are mainly located in