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Frames A–C show the approximate motility trajectory (black line) of a secondary-derived multinucleated fibroblast (circled) traveling hundreds of microns over the course of 24 hours (from 24–28 hours). This time-lapse image series also appears to show the fibroblast beginning as only a few red-labeled cells and ending with several more nuclei including those from green-labeled fibroblasts (full video available online in supplementary data).
