•Transitional
space between the oral cavity, the respiratory and digestive systems,
•Forms
an area of communication between the nasal region and the larynx.
•Lined
by stratified nonkeratinized squamous epithelium in the
region continuous with the esophagus and by ciliated pseudostratified columnar epithelium containing
goblet cells in the regions close to the nasal cavity.•Pharyngeal
wall contain tonsils and many small mucous salivary glands