Mammary Stem Cells and Macrophages (IMAGE) Princeton University Caption This image shows the cross-section of a mouse mammary gland duct taken with a confocal microscope. The mammary stem cells are labeled in pink. Credit Image courtesy of Sushil Kumar, Rumela Chakrabarti and Yibin Kang, Princeton University Usage Restrictions Image courtesy of Sushil Kumar, Rumela Chakrabarti and Yibin Kang, Princeton University 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.