1 If the device has the Google Apps Device Policy app installed, you can sign in to your My Devices page. Your Google Apps administrator doesn't have access to your My Devices page.  If you donât have the Google Apps Device Policy app installed, you manage your device using the Android Device Manager.
The trachealis muscle is a smooth muscle that bridges the gap between the free ends of C-shaped cartilages at the posterior border of the trachea, adjacent to the esophagus. The primary function of the trachealis muscle is to constrict the trachea, allowing air to be expelled with more force e.g. during coughing.
Trachea. The trachea is a wide flexible tube, the lumen of which is kept open by 20 tracheal cartilages, which are C-shaped rings of hyaline cartilage. The gaps between the rings of cartilage are filled by the trachealis muscle-a bundle of smooth muscle, and fibroelastic tissue.ucosa and sub-mucosa of Trachea. The respiratory mucosa is made up of the epithelium and supporting lamina propria). The epithelium is tall columnar pseudostratified with cilia and goblet cells.