m. blanket — a blanket of mucus overlying cilia beating in a watery sol on the surface of the respiratory mucosa.
m. escalator — the nonimmunological defense mechanism involving ciliary action and flow of mucus from bronchioles, through the bronchi and trachea to the larynx, by which particulate matter is removed from the respiratory tract. Called also mucociliary ladder.
m. ladder — see mucociliary escalator (above).
m. transport — the effect of the operation of the mucociliary escalator.