Terminal bronchioles are the thin-walled branches of the bronchioles and the most distal segment of the conducting zone. These have a layer of smooth muscle surrounding their lumens.
The trachea, known as the windpipe, is a tube-like structure within the neck and upper chest that connects the larynx to the bronchi. It transports air to and from the lungs when a person breathes. It is lined with a pseudostratified columnar epithelium with cilia and goblet cells.
The epiglottis is a cartilaginous structure at the posterior of the tongue that folds over the opening of the trachea during swallowing. It contains a series of elastic cartilages that provide semi-rigid support to the epiglottis.
Terminal bronchioles are the thin-walled branches of the bronchioles and the most distal segment of the conducting zone. These have a layer of smooth muscle surrounding their lumens.
The trachea, known as the windpipe, is a tube-like structure within the neck and upper chest that connects the larynx to the bronchi. It transports air to and from the lungs when a person breathes. It is lined with a pseudostratified columnar epithelium with cilia and goblet cells.
The epiglottis is a cartilaginous structure at the posterior of the tongue that folds over the opening of the trachea during swallowing. It contains a series of elastic cartilages that provide semi-rigid support to the epiglottis.