title: Studies on ciliary activity in the upper respiratory tract.
mesh_terms: D000818:Animals; D049872:Bivalvia; D002923:Cilia / Q000502:physiology*; D006801:Humans; D008853:Microscopy; D009068:Movement; D009297:Nasal Mucosa / Q000502:physiology; D009991:Oscillometry; D012143:Respiratory Physiological Phenomena; D014132:Trachea / Q000502:physiology