Figure 2

Analysis of the topographical changes of the neurite shown in Fig. 1. (A) Top view of the first scan of the terminal part of the nerve cell process (see Fig. 1 A). Orange lines indicate the positions of the height profiles shown in (B). (C) Difference image between frame A and J from Fig. 1. Lateral scale bars in (A) and (C) represent 3 μm. The color bar on the right indicates calibration of the z-axis in the large image, small color scale corresponds to the inset. Red and blue areas denote in- and decreases of height with time, respectively. Inset shows magnified lamellipodium with increased contrast.