Human gastruloid (IMAGE) University of Cambridge Caption Image analysis of human gastruloid showing 'anteroposterior' patterning. Green is posterior part similar to tail-end of an embryo, magenta is anterior part similar to developing heart cells, grey marks DNA. Credit Naomi Moris Usage Restrictions With credit as above 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.