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<TD>[[Reabsorption and Secretion Along the Loop of Henle - Anatomy & Physiology#Countercurrent System|Link]]</TD>

<TD>[[Reabsorption and Secretion Along the Loop of Henle - Anatomy & Physiology#Countercurrent System|Link]]</TD>

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<TD>Why is the gradient within the medulla not removed by the vasa recta?</TD>

<TD>Why is the gradient within the medulla not removed by the vasa recta?</TD>

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It is also set up as a countercurrent system.  Lots of ions enter as it passes down the medulla and the interstitium become more concentrated but these all leave as it rises back out of the medulla and the interstitium becomes less so.</font></TD>

It is also set up as a countercurrent system.  Lots of ions enter as it passes down into the medulla as the interstitium become more concentrated but these all leave as it rises back out of the medulla as the interstitium becomes less so.</font></TD>

<TD>[[Reabsorption and Secretion Along the Loop of Henle - Anatomy & Physiology#Vasa Recta Physiology|Link]]</TD>

<TD>[[Reabsorption and Secretion Along the Loop of Henle - Anatomy & Physiology#Vasa Recta Physiology|Link]]</TD>

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