image: The image depicts an anterior half of a mouse embryo at eight days gestation that was cultured in vitro for 24 hours, using a new method developed by E. Wandzioch and K. Zaret. The green and red cell domains indicate the heart and liver tissues that developed in vitro. This image relates to an article that appeared in the June 26, 2009, issue of Science, published by AAAS. The study, by Dr. E. Wandzioch of the Fox Chase Cancer Center in Philadelphia, Pa., and colleagues was titled, "Dynamic Signaling Network for the Specification of Embryonic Pancreas and Liver Progenitors". view more
Credit: Image copyright <i>Science</i>/AAAS