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. 2011 Aug 17;301(5):F979–F996. doi: 10.1152/ajprenal.00096.2011

Fig. 2.

Fig. 2.

Oxygen tension (Po2) profiles in the interstitium of the 4 regions (R1–R4) in the base case (A), assuming that nitric oxide (NO) does not inhibit medullary thick ascending limb (mTAL) NaCl reabsorption (B), and assuming that O2 does not stimulate mTAL NaCl reabsorption (C). x/L denotes the ratio of the axial coordinate to total length of outer medulla. In all cases, the red blood cell (RBC) permeability to NO (PNOrbc) is kept constant, and the O2 generation rate (GO2) is taken to vary in parallel with Po2.