The role of a reaction--diffusion system in the formation of hair fibres.
D000818:Animals; D002454:Cell Differentiation; D002465:Cell Movement; D004058:Diffusion; D004847:Epithelial Cells; D006197:Hair / Q000166:cytology*; D008954:Models, Biological; D009024:Morphogenesis; D011817:Rabbits; D012756:Sheep; D014935:Wool / Q000166:cytology