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Figure 1


Fig. 1. Image field from a day 2 FRC culture at the start of dynamic imaging. This image corresponds to the bottom left panel of Movie 1 in supplementary material and represents Alexa Fluor 488-labeled fibronectin fibrils. Arrows labeled A-D indicate individual fibrils that show dramatic motions (see Figs 2 and 3 for description of individual fibril dynamics) Bar, 50 µm.