Heart valves grown from womb fluid cells
(AP)


<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/ap/20061115/ap_on_he_me/growing_heart_valves"><img src="http://d.yimg.com/us.yimg.com/p/ap/20061115/capt.ade226ba712f4d1abaf286953edcfbf4.growing_heart_valves_cx107.jpg?x=130&y=84&sig=BAcLf8XlSVmmqIGCKwV8bQ--" align="left" height="84" width="130" alt="Dr. Simon Hoerstrup, a University of Zurich scientist, speaks at an American Heart Association conference Tuesday, Nov. 14, 2006, in Chicago. Scientists for the first time have grown human heart valves using stem cells from the fluid that cushions babies in the womb _ offering a revolutionary approach that may be used to repair defective hearts in the future. (AP Photo/M. Spencer Green)" border="0" /></a>AP - Scientists for the first time have grown human heart valves using stem cells from the fluid that cushions babies in the womb — offering a revolutionary approach that may be used to repair defective hearts in the future.</p><br clear="all"/>