Figure 2 (IMAGE) Queen Mary University of London Caption Fig. 2. Electron microscopy images of macrophage-enriched placental cell isolates from different participants, showing black inclusions (red arrows) in vacuoles, compatible with inhaled particulate matter. Credit QMUL Usage Restrictions None 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.