TRACHEA & OESOPHAGUS

Trachea and Larynx trachea The trachea is part of the airway between the voice box and the lungs and is made up of “C”-shaped cartilage called tracheal rings trachea The trachea is a tube-shaped structure consisting of 15-20 D-shaped cartilage rings anterolaterally bridged by annular ligaments The trachealis muscle (smooth

trachea trachea and the mesoderm-derived mesenchyme surrounding it The mucosal epithelium and the ducts of the tracheal glands contain different types of stem cells