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palatopharyngeus (muscle)


Definition: 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).

Synonym(s): musculus palatopharyngeusTA, musculus pharyngopalatinus, palatopharyngeal (muscle), palatopharyngeus, pharyngopalatinus, pharyngostaphylinus

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.