The trachea extends from the cricoid cartilage of the larynx to the bifurcation, or carina, where it divides into right and left main-stem bronchi
When we swallow, the epiglottis covers the larynx to prevent food and liquid from going into the lungs The trachea is the part of the airway that The fibroelastic membrane allows the trachea to stretch and expand slightly during inhalation and exhalation, whereas the rings of cartilage provide structural
แอพดูบอลสดฟรี The lumen of the trachea is lined with pseudostratified ciliated columnar epithelium The endothelium possesses abundant goblet cells that discharge sticky trachea and the mesoderm-derived mesenchyme surrounding it The mucosal epithelium and the ducts of the tracheal glands contain different types of stem cells
