To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S3. XYZ stack of GFP-expressing microglia in a naive mouse imaged over 50 minutes. Note the microglia do not migrate, however they continuously extend and retract their processes and microprocesses. Frame rate = 10 fps. Intravital 2-photon imaging reveals distinct morphology and infiltrative properties of glioblastoma-associated macrophages Zhihong Chen, James L. Ross, and Dolores Hambardzumyan PNAS. 2019. 116:14254-14259 DOI: 10.1073/pnas.1902366116 Download Original Video Browse All Videos »