CRG Celegans Embryo (image) Center for Genomic Regulation Share Print E-Mail Caption Caenorhabditis elegans embryo showing yolk and intestinal fluorescence. Credit Lola Davey, Marcos Francisco Perez, CRG. Usage Restrictions CC-BY Share Print E-Mail 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.