This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
Maximum osmotic gradient is found in 
Select and explain. 
A. Outer medulla, B. Inner medulla, C. Outer coex, D. Inner coex
B: Inner medulla
Answer: B: Inner medulla 
Explanation: In inner medulla osmotic gradient is high as 1200milliosmolarRef: Ganong&;s review of medical physiology; 24th edition; page no: 687