Class 11 · Excretory Products and Their Elimination

Renal Cortex & Medullary Pyramids — NEET Biology

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Cortical portions projecting between the medullary pyramids in the human kidney

NCERT Biology · Class 11 · Chapter 16 · Paragraph 62
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Assertion (A): The kidney can concentrate urine effectively. Reason (R): The proximity between the Henle’s loop and vasa recta, as well as the counter current in them help in maintaining an increasing osmolarity towards the inner medullary interstitium.

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