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. 2019 May 23;7(10):e14089. doi: 10.14814/phy2.14089

Figure 1.

Figure 1

Schematic diagram illustrating the rodent renal medullary nephron segments and blood vessels. (A) Four types of thin limbs of Henle's loops exist in the rodent kidney and include the type I (short‐looped descending thin limb), type II (AQP1‐positive long‐looped descending thin limb or DTL upper), type III (AQP1‐null long‐looped descending thin limb or DTL lower) and type IV (ascending thin limb). Arrows illustrate flow direction. (B) The renal blood vessels consist of the descending (DVR) and ascending vasa recta (AVR). DVR join a network of branching AVR at any level of the medulla. The branching AVR return plasma to the cortex either directly or by way of the nonbranching AVR that lie in vascular bundles. The expression of SLC4A11 is summarized for the mouse with black cross‐hatches indicating SLC4A11 expression. In contrast to the mouse, little or no SLC4A11 expression was detected in the rat OMCD or DVR.