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Fig. 5. Activating Myosin induces grooves without altering planar polarity.
Drosophila embryos: dorsal closure, anterior leftwards, genotypes,
GAL4 drivers and antigens indicated. (A-B'') Individual
MLCKCA-expressing amnioserosal cells (arrows). (C-F'')
MLCKCA expression delimited by double-headed arrows (C,D-D'')
or yellow lines (E-F''). Scale bars: 20 µm.