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![]() [Cover Caption] Other Issues: |
Contents: Volume 291, Issue 6
December 2006 [Index by Author] [Editorial Board]
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= article is free immediately upon publication
(all articles are free one year after publication)
Cover: Digital reconstructions of adult rat inner medullary vessels and nephrons show that the ascending vasa recta (which express the protein PV-1, shown in red) and ascending thin limbs of Henle (which express the protein C1C-K1, shown in green) are distributed uniformly among a cluster of coalescing collecting ducts (shown in blue). Descending vasa recta lie only at the periphery of the clusters. Therefore, countercurrent exchange between ascending and descending vessels must occur in this limited region outside the collecting duct clusters. The view is near the base of the inner medulla, and the axial dimension is approximately 200 &mgr;m. See related article by Pannabecker TL and Dantzler WH. Three-dimensional architecture of inner medullary vasa recta. Am J Physiol Renal Physiol 290: F1355–F1366, 2006.
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