Tissue Response

Laser microbeam cuts embryonic tissue to reveal forces for
cell sheet morphogenesis during dorsal closure in Drosophila.
Figures show time course of laser induced wound; three different
embryos after wounds to the leading edge; and wounds to the
amnioserosa and lateral epidermis (see also PDF file for Kiehart et al.
2000 J. Cell Biol. 149:471-490)

Click on images to play movies of tissue wounding