[TA] 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. SYN: musculus salpingopharyngeus [TA], salpingopharyngeal muscle.