Heart atlas (IMAGE) Howard Hughes Medical Institute Caption This image from the Heart Cell Atlas shows six heart regions (left and right atria and ventricles, apex, and interventricular septum). Color coding is used to indicate cell types. Credit www.heartcellatlas.org Usage Restrictions Must use credit. 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.