Mucociliary flow in the middle ear.
D000818:Animals; D001001:Anura; D001692:Biological Transport; D002923:Cilia / Q000166:cytology / Q000378:metabolism*; D004432:Ear, Middle / Q000166:cytology / Q000378:metabolism*; D008954:Models, Biological; D009093:Mucus / Q000378:metabolism*; D014783:Viscosity