To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 5 DIC time lapse images taken at 2frames/min and corresponding sd images of the same cells in Movie 4 after bead engulfment. The protrusion-retraction activity is visibly lower. Reactive oxygen species-mediated cytoplasmic stiffening impairs the phagocytic ability of the macrophage Mahesh Agarwal, Parijat Biswas, Anindita Bhattacharya, and Deepak Kumar Sinha J Cell Sci 2020. 133:None-None; doi: 10.1242/jcs.236471 Download Original Video