Passavant’s ridge is located on which of the following:
(A) Posterior wall of oropharynx (B) Anterior wall of oropharynx (C) Posterior wall of nasopharynx (D) Anterior wall of nasopharynx
(C) The upper fibres of palatopharyngeus form a spincter internal to superior constrictor. These fibres constitute passavant’s muscle, which on contraction raises passavent’s ridge on the posterior wall of nasopharynx.