Origin, medial lamina of cartilaginous part of auditory tube;
insertion, longitudinal muscular layer of pharynx in association with musculus palatopharyngeus;
action, assists in elevating pharynx and, according to some, assists in opening the auditory tube during swallowing;
nerve supply, pharyngeal plexus.
Synonym(s):
musculus salpingopharyngeus [TA] .