Scientists in Wake Forest have "grown" urethras from bladder cells. In the study, the engineered urethras were implanted into five boys with urinary tract damage. The results are promising. Science changing lives-- I love it.
Read more:
http://www.npr.org/2011/03/08/134340350/scientists-grow-parts-for-kids-with-urinary-damage
Here's the paper:
http://www.thelancet.com/journals/lancet/article/PIIS0140673610623549/fulltext
