title: Electron microscopic observations of bronchial epithelium. II. Filosomes.
mesh_terms: D001980:Bronchi / Q000648:ultrastructure*; D004848:Epithelium / Q000648:ultrastructure; D006651:Histocytochemistry; D006801:Humans; D008854:Microscopy, Electron; D015388:Organelles / Q000648:ultrastructure