MOVIE S5 Normal clearance of murine respiratory tract is mediated by discontinuous Muc5b and Muc5ac mucus clouds

<p><strong>Movie S5. Mucus transport of the Muc5ac on the trachea of </strong><strong><em>Muc5b^{&ndash;/&ndash;}</em></strong><strong>mice. </strong>The mouse trachea was mounted and submerged in a buffer containing Alcian blue, tilted and the mucus transport in the distal part of the tissue recorded by video microscopy.</p>