Mucus-producing cells of the tracheobronchial tree.
D000818:Animals; D001980:Bronchi / Q000033:anatomy & histology; D004847:Epithelial Cells; D004848:Epithelium / Q000648:ultrastructure; D005088:Exocrine Glands / Q000196:embryology / Q000648:ultrastructure; D006801:Humans; D009092:Mucous Membrane / Q000166:cytology*; D009093:Mucus; D012704:Serous Membrane / Q000166:cytology; D014132:Trachea / Q000033:anatomy & histology