Surfaces and cleansing mechanism of the trachea and bronchi.
D000818:Animals; D002020:Buffaloes / Q000502:physiology*; D002923:Cilia; D004285:Dogs / Q000502:physiology*; D004848:Epithelium; D004947:Esophagus / Q000033:anatomy & histology / Q000502:physiology*; D008394:Marsupialia / Q000502:physiology*; D008854:Microscopy, Electron; D009092:Mucous Membrane / Q000502:physiology; D012911:Snakes / Q000502:physiology*; D013499:Surface Properties; D014132:Trachea / Q000033:anatomy & histology / Q000502:physiology*