Immune cells (IMAGE) University of California - San Diego Caption Immunologists used microscopy images of the small intestines of mice to study specialized immune cells (epithelial cells colored magenta and tissue-resident memory CD8 T cells in cyan). Credit Kianoosh Mempel Usage Restrictions Must be used in conjunction with Nature paper on CD8 T cells and immune defense. 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.