pal·a·to·glos·sus (p l  -t -glô ss)n. A muscle with insertion into the side of the tongue, with nerve supply from the pharyngeal plexus, and whose action raises the back of the tongue and narrows the fauces. |
palatoglossus
[-glos′əs]
the muscle that underlies the glossopalatine arch. The palatoglossus muscles depress the palate, move the arches toward the midline like curtains, and elevate the back of the tongue. These actions help close the fauces.
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