origin, soft palate; forms the posterior pillar of the fauces or tonsillar fossa; insertion, posterior border of thyroid cartilage and aponeurosis of pharynx as it becomes part of the inner longitudinal muscle layer of the pharynx; action, narrows fauces, depresses soft palate, elevates pharynx and larynx; nerve supply, pharyngeal plexus (cranial root of accessory nerve).
a muscle with an origin at the back of the soft palate and an insertion on the posterior border of the thyroid cartilage and the wall of the pharynx. It acts to raise the pharynx.
palatopharyngeus(păl″ăt-ō-fă″rĭn′jē-ŭs) [″ + Gr. pharynx, throat]
The muscle arising from thyroid cartilage and pharyngeal wall, extending upward in posterior pillar, and inserting into aponeurosis of soft palate. It constricts the pharyngeal isthmus, raises the larynx, and depresses the soft palate.