The trachea develops from the primitive oesophagus within the floor of the pharynx. In the ventrolateral wall of the oesophagus, a distinct laryngotracheal groove develops. The internal edges of this groove move towards the midline and eventually fuse. This delineates the original tube into ventral trachea and caudal oesophagus.
Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page