Extended GO from the version of 20040601
        root development
              root morphogenesis
                 embryonic root morphogenesis
                    embryonic root epidermal cell differentiation
                    embryonic root meristem specification
                 maintenance of root meristem identity
                 post-embryonic root morphogenesis
                    lateral root morphogenesis
                       lateral root epidermal cell differentiation
                       lateral root meristem specification
                    post-embryonic root epidermal cell differentiation
                    post-embryonic root meristem specification
                 regulation of root meristem size
                    stabilization of root meristem size
                    negative regulation of root meristem size
                    positive regulation of root meristem size
                 root epidermal cell differentiation
                    atrichoblast differentiation
                       atrichoblast fate specification
                          regulation of atrichoblast fate
                             negative regulation of atrichoblast fate
                                inhibition of atrichoblast fate
                                negative stabilization of atrichoblast fate
                             positive regulation of atrichoblast fate
                                induction of atrichoblast fate
                                initiation of atrichoblast fate
                                positive stabilization of atrichoblast fate
                             stabilization of atrichoblast fate
                    trichoblast differentiation
                       trichoblast fate specification
                          regulation of trichoblast fate
                             negative regulation of trichoblast fate
                                inhibition of trichoblast fate
                                negative stabilization of trichoblast fate
                             positive regulation of trichoblast fate
                                induction of trichoblast fate
                                initiation of trichoblast fate
                                positive stabilization of trichoblast fate
                             stabilization of trichoblast fate
                    root hair cell differentiation
                    root auditory hair cell differentiation
                    root guard cell differentiation
                    root epidermal cell fate commitment
                    root epidermal keratinocyte differentiation
                    root epidermal lymphocyte differentiation
                    root epidermal cell development
                    root epidermal adipocyte differentiation
                    root epidermal oenocyte differentiation
                    root epidermal trichome differentiation
                    root epidermal neuron differentiation
                    root epidermal oocyte differentiation
                    root epidermal hemocyte differentiation
                    root epidermal melanocyte differentiation
                    root epidermal heterocyst differentiation
                    root epidermal spermatid nuclear differentiation
                    root epidermal mechanoreceptor differentiation
                    root epidermal myoblast differentiation
                    root epidermal cell fate specification
                    root epidermal osteoblast differentiation
                 root meristem specification