Pristina (IMAGE) Washington University in St. Louis Caption In a new study published in Nature Communications, scientists shared the single-cell atlas for the highly regenerative worm, <i>Pristina leidyi</i>. This visualization of multiple gene expressions highlights four different gut regions that the authors explored in the study, using an in situ hybridization chain reaction technique. Credit B. Duygu Özpolat / Washington University in St. Louis Usage Restrictions For editorial purposes License Original 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.