Passavant ridge -: (A) Superior constrictor and palatopharyngeus, (B) Inferior constrictor and palatopharyngeus, (C) Superior constrictor and palatoglossus, (D) Inferior constrictor and palatoglossus
Answer is A. Ans. is 'a' i.e., Superior constrictor and palatopharyngeus (Ref Clinical Anatomy: A Problem Solving Approach,2nd/e By Neeta V, Kulkarni p. 432]Passavant ridgeo Near the superior margin of pharynx, a few fibres of superior constrictor blend with a band of muscle fibres belonging to the palatopharyngeus muscle.o These fused fibres form a band or ring around the posterior wall and sidewalls of the nasopharyngeal isthumus.o When the soft palate is elevated this muscle band appears as a ridge is known as passavanfs ridge.