Measured urea permeabilities in the different nephron sections of a rat kidney. Measured urea permeabilities in the different nephron sections of a rat.

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Measured urea permeabilities in the different nephron sections of a rat kidney. Measured urea permeabilities in the different nephron sections of a rat kidney. CCD, cortical collecting duct; DCT, distal convoluted tubule; IMCD, inner medullary collecting duct; mTAL, medullary thick ascending limb; OMCD, outer medullary collecting duct; PCT, proximal convoluted tubule; PST, proximal straight tubule; tAL, thin ascending limb; tDL, thin descending limb. Modified from reference 11, with permission of the American Physiological Society. I. David Weiner et al. CJASN 2015;10:1444-1458 ©2015 by American Society of Nephrology