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Fig. 4

ID

ZDB-FIG-221120-5

Publication

Hayden et al., 2021 - Mathematical modeling of Erk activity waves in regenerating zebrafish scales

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Fig. 4

Figure 4. Consequences of activator diffusion constant and effects of curvature on wave propagation. (A) Schematics of activator gradient established by simple diffusion alone. (B and C) Activator gradient formation by simple diffusion (B) versus excitable wave propagation (C). (D) Wave speed as a function of radial distance from the source. (E) Definitions of wave profile characteristics. (F) Radius of the excited region for different initial activator amounts. Initial activator concentrations higher than ∼0.36 E_T induced an excited radius above 45 μm and triggered wave propagation. To see this figure in color, go online.

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