title: Hierarchy of fibrillar organization levels in the polytene interphase chromosomes of Chironomus.
mesh_terms: D000818:Animals; D002683:Chironomidae / Q000235:genetics / Q000648:ultrastructure*; D002843:Chromatin / Q000648:ultrastructure; D002875:Chromosomes / Q000648:ultrastructure*; D004175:Diptera / Q000648:ultrastructure*; D006570:Heterochromatin / Q000648:ultrastructure; D007399:Interphase; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D012469:Salivary Glands / Q000648:ultrastructure
chemical_list: D002843:Chromatin; D006570:Heterochromatin