True regarding nasopharynx are all except
PASSAVANT'S RIDGE It is a mucosal ridge raised by fibres of palatopharyngeus. It encircles the posterior and lateral walls of nasopharyngeal isthmus. Soft palate, during its contraction, makes firm contact with this ridge to cut off nasopharynx from the oropharynx during the deglutition or speech. Ref:- Dhingra; pg num:-240
Also called as epipharynx
Lateral wall has pharyngeal opening of Eustachian tube
Fossa of rosenmuller corresponds to the internal carotid aery
Passavant's muscle is formed by Stylopharyngeus
Pharynx