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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Integr Biol (Camb). 2015 Apr 24;7(5):569–579. doi: 10.1039/c5ib00060b

Fig. 7.

Fig. 7

Myoblasts establish a biased directional response towards the bFGF source after 6 h. Myoblast migration in the G4 bFGF gradient on laminin was observed for 14 h. The top panels show the paths taken by individual myoblasts, where all initial positions (t = 0) are plotted at the origin. Red indicates paths with a positive net displacement towards the bFGF source, and black indicates paths moving away from the source. The percent of cells exhibiting movement towards and away from the bFGF source are shown in red and black fonts, respectively. The bottom panels show the corresponding angular histograms, where n is the number of individual cells tracked, and p is the p-value calculated using the Rayleigh Test for Vector Data. Red labels denote statistically significant asymmetry of histograms.