Which of the following is not included in hypopharynx?
Pyriform fossa
Post cricoid region
Anterior pharyngeal wall
Posterior pharyngeal wall
(c) Anterior pharyngeal wall(Ref. Scott Brown, Vol 3; 743)Anterior pharyngeal wall is no entity. Anterior to the hypopharynx is the larynx. Anterior to the nasopharynx and oropharynx are nasal and oral cavities respectively.
Pharynx