Journal of Immunology Research / 2012 / Article / Fig 1

Review Article

Inflammation as an Animal Development Phenomenon

Figure 1

Tissue dynamic in a hydra polyp. Tissue movements were monitored after the insertion of tissue stained with methylene blue at different points, as described by Campbell [23]. The arrows indicate the direction and route of the tissue movements and the time elapsed. In these animals, cell identity is defined by its position relative to the axial axis, but these positions are not constant.

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