Embryo and Model (IMAGE) Center for Genomic Regulation Caption This is the detailed embryo limb and the network topology of the Bmp-Sox9-Wnt (BSW) model. Credit Luciano Marcon and Jelena Raspopovic. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.