[Direction of ciliary flow on the mucosa of the upper respiratory tract].
D006801:Humans; D007830:Larynx; D009092:Mucous Membrane; D012143:Respiratory Physiological Phenomena; D012137:Respiratory System / Q000502:physiology*; D014132:Trachea
RESPIRATORY TRACT/physiology
Uber die Sekretströmung auf der Schleimhaut der oberen Lufiwege.