Movie 3, related to Fig. S6.

Analysis of cell vertex movement inside and outside the salivary gland placode boundary. Time lapse movie of a sqhGPF; Ubi-RFP embryo, ExpID0272, (cell membranes highlighted by Ubi-RFP) showing the salivary gland placode and surrounding epidermal cells starting from late stage 10 onwards. Time interval between frames is 53.6sec. The first and last frame highlight the position of vertices analysed in Supplemental Figure S6.