Migrating Embryonic Neural Crest Cells (IMAGE) University College London Caption In this image, the cells are stained red for cell protrusion, yellow for cell membrane and blue for nucleus. Credit Prof. R. Mayor 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.