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Through a series of intricate pathways, capillaries and tunnels, the vasa recta help the kidney produce concentrated urine. The vasa recta contain a group of capillaries and vessels located in the kidneys. Biologically, the vasa recta lay parallel to the loop of Henle, which facilitates the flow of blood into and out of the kidneys. Keep Learning.
This regulation of blood is important for maintaining a countercurrent exchange between the vasa recta and the loop of Henle; these two components work together to process and filter blood to remove impurities before sending it elsewhere in the urinary system and throughout the body.