Melanocyte precursor cells in the hair follicle germ during the dormat stage (telogen).
D000818:Animals; D002856:Chromatophores / Q000254:growth & development*; D006197:Hair / Q000166:cytology*; D051379:Mice; D009024:Morphogenesis; D011830:Radiation Effects; D012867:Skin / Q000528:radiation effects