Mouse blood cells (IMAGE) University of California - Riverside Caption Image shows mouse blood cells — a mix of stem and progenitor cells, differentiated neutrophils and mixed identity cells. Credit Meijuan Chen, Cheloufi lab, UC Riverside. Usage Restrictions None. 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.