<Dl> <Dd> The thin ascending limb is impermeable to water , but it is permeable to ions . </Dd> </Dl>
<Dl> <Dd> The thin ascending limb is impermeable to water , but it is permeable to ions . </Dd> </Dl>
the -- -- -- -- limb of the loop of henle is impermeable to water
the -- -- -- -- limb of the loop of henle is impermeable to water
thin ascending
thin ascending