title: Vacuoles containing fibrillar materials in developing odontoblasts.
mesh_terms: D000818:Animals; D008854:Microscopy, Electron; D009804:Odontoblasts / Q000648:ultrastructure*; D009940:Organoids / Q000648:ultrastructure*; D051381:Rats; D014083:Tooth Germ / Q000648:ultrastructure*; D014617:Vacuoles / Q000648:ultrastructure*