title: Evidence for the derivation of individual hair roots from three progenitor cells.
mesh_terms: D004303:Dosage Compensation, Genetic; D006580:Genetic Carrier Screening; D006197:Hair / Q000196:embryology*; D006801:Humans; D007926:Lesch-Nyhan Syndrome / Q000235:genetics; D008433:Mathematics; D008957:Models, Genetic