(VIDEO) Hong Kong University of Science and Technology This video is under embargo. Please login to access this video. Caption Time-lapse in vivo imaging of injured muscle visualized the spatiotemporal interaction between activated muscle satellite cells (MuSCs) (yellow), macrophages (magenta), and other non-myogenic cells (cyan) during the proliferation stage. The results demonstrated that cell-cell contact between MuSCs and non-myogenic cells were transient. Credit HKUST Usage Restrictions NA 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.