Wound healing in the cornea of the chick embryo (original) (raw)
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Summary
Spatio-temporal changes in the shapes of the epithelial cells in culture were followed with the aid of scanning electron microscopy. On a substratum that enables the epithelium to spread extensively, the first remarkable change in shapes of the cells occurred at the margin of epithelium at 12 h of culture. The marginal cells formed leading edges with filo-or lamellipodia, flattened, and lost microvilli on surface. In accordance with those changes, the borderlines among cells became almost indiscernable. Flattening of the cells was the essential characteristic associated with active epithelial spreading throughout the culture period. Elongation of cells of intermediate zone at right angles to the direction of the locomotion of the marginal cells at 24 h of culture was the second significant change. As the third, the change from the ordinary pentagonal or hexagonal to extraordinary tetragonal or other polygonal shapes, with or without irregular margins, began in cells of the intermediate area at 24 h and propagated to those in inner area. The active deformation of the inner cells with no space in which to move was considered to play some role in the extensive epithelial spreading.
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Authors and Affiliations
- Zoological Institute, Faculty of Science, University of Tokyo, Tokyo, Japan
Shigeo Takeuchi
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Takeuchi, S. Wound healing in the cornea of the chick embryo.Cell Tissue Res. 229, 109–127 (1983). https://doi.org/10.1007/BF00217884
- Accepted: 12 October 1982
- Issue date: January 1983
- DOI: https://doi.org/10.1007/BF00217884