loop of Henle

Loop of Henle 

U shaped

After passing through PCT - glomerular filtrate enter straightened portion of excretory tubules called loop of Henle.

Loop of Henle is continuation of PCT. 

It connect proximal convoluted tubules and distal convoluted tubules.

Major function bis active reabsorption of sodium and chloride and

Passive diffusion of water resulting in urinary concentration.