If an abnormality existed and the ascending & desending loop of henely were reversed could we produce urine?

a href="http://en.wikipedia.org/wiki/Loop_of_henele." rel="nofollow"http://en.wikipedia.org/wiki/Loop_of_hen…/a To the best of my knowledge no urine would be able to be produced. Check out this link and decide for yourself . My response is NO.