<prompt> Hypeonic urine is excreted due to absorption of water in:Collecting ductsDCTAscending pa of loop of HenleyDescending pa of loop of Henley  <response>: A i.e. Collecting DuctOsmolality of urine depends on the action of vasopressin on the collecting ductsQ. Alteration in water metabolism by vasopressinUrine isotonic to plasmaGFR mlmin of filteredwaterreabsorbedUrine volumeLdUrine concentrationmosm kg H20Gain Loss of water inexcess of solute Ld12598.72.4290 Vasopressin present12599.70.51400Q almost 5 timeof plasma1.9 gainNo vasopressin Diabetesinsipidus12587.123.33020.9 loss 