Palatoglossal arch

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Palatoglossal arch
Gray1014.png
The mouth cavity. The cheeks have been slit transversely and the tongue pulled forward. (Glossopalatine arch labeled at upper right.)
Latin Arcus palatoglossus,
arcus glossopalatinus
Gray's p.1137
Anatomical terminology

The palatoglossal arch (glossopalatine arch, anterior pillar of fauces) on either side runs downward, lateral (to the side), and forward to the side of the base of the tongue, and is formed by the projection of the glossopalatine muscle with its covering mucous membrane. It is the anterior border of isthmus faucium and marks the border between the mouth and the pharynx.

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This article incorporates text from a public domain edition of Gray's Anatomy.