A U-shaped loop between the proximal and distal tubules in the kidney.

Part of nephron in kidney: has ascending and descending limbs with important roles.

(hen´ lee) • Long, hairpin loop of the mammalian renal tubule that runs from the cortex down into the medulla, and back to the cortex. Creates a concentration gradient in the interstitial fluids in the medulla.

Hair pin shaped region of the nephron

In the kidney, the loop of Henle is the portion of the nephron that leads from the proximal convoluted tubule to the distal convoluted tubule. It is named after its discoverer, F. G. J.