So, the loop of Henley utilizes a system known as the countercurrent multiply system. And what that system does is it increases the amount of solute, it increases the concentration of the ions found within our tissue surrounding our Loop of Henley. And the tissue surrounding the loop of Henley is known as the insertuum. So it utilizes the countercurrent multiplier system to create a concentration gradient found inside the interstituum. And what that ultimately does is it basically allows our Loop of Henley to absorb more water, and allows the nephron overall to absorb more water. And this concentrates our urine that is produced by the nephron.