The mouth cavity. The cheeks have been slit transversely and the tongue pulled forward. (Glossopalatine arch labeled at upper right.)
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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.
- lesson10 at The Anatomy Lesson by Wesley Norman (Georgetown University)
- Anatomy figure: 34:01-05 at Human Anatomy Online, SUNY Downstate Medical Center
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