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(A–D) Parameter estimation for the early stage of Drosophila ventral furrow formation. The data points, which are normalized by the initial point t = 0, are analyzed from the same embryos as those used in Fig. 4, B and C. The decreasing lateral line tension λℓ observed in all embryos may result from the concurrent morphological event of cellularization (as shown in Fig. S2). To see this figure in color, go online.
