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vasa recta


Definition: straight vessels into which the efferent arteriole of the juxtamedullary glomeruli breaks up; they form a leash of vessels that, arising at the bases of the pyramids, run through the renal medulla toward the apex of each pyramid, then reverse direction in a hairpin turn, and run straight back again toward the base of the pyramid as venae rectae.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.