<Ul> <Li> Thin ascending limb of loop of Henle </Li> </Ul> <Li> Thin ascending limb of loop of Henle </Li> <Dl> <Dd> The thin ascending limb is impermeable to water, but it is permeable to ions . </Dd> </Dl> <Dd> The thin ascending limb is impermeable to water, but it is permeable to ions . </Dd>

The ____ limb of the loop of henle is impermeable to water