Table 1.

Model parameters in reaction–diffusion model of activator and inhibitor.

Parameters		Value	Units
Activator production	σa	1.0 × 10−5	ng/(mm3 × s)
Inhibitor production	σh	1.0 × 10−5	ng/(mm3 × s)
Activator depletion	μa	5.0 × 10−5	/s
Inhibitor depletion	μh	1.0 × 10−4	/s
Activator coupling	ρa	5.0 × 10−5	/s
Inhibitor coupling	ρh	1.0 × 10−4	mm3/(ng × s)
Activator diffusion	Da	2.5 × 10−6	mm2/s
Inhibitor diffusion	Dh	2.5 × 10−4	mm2/s