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Fig. 6. Eyelid fusion in the mouse. (A) A scanning electron micrograph of the mouse
eye at E15, when eyelids are just beginning to advance forwards over the
corneal epithelium. (B) A transverse section through the eye taken at the
level indicated by the broken line in A. (C) Transmission electron microscopy
of the leading edge cells (corresponding to box in B) shows expression of
numerous filopodia. (D) When the two eyelids confront one another at the
anterior and posterior canthi, the filopodia of opposing epithelial cells
interdigitate, just as during Drosophila dorsal closure.
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