Definition: one of a pair of ridges or folds of mucous membrane passing from the soft palate to the side of the tongue; it encloses the palatoglossus muscle and forms the anterior margin of the tonsillar fossa. Also demarcates the oral cavity from the isthmus of fauces.
Synonym(s): arcus palatoglossusTA, anterior pillar of fauces, plica anterior faucium, anterior palatine arch, arcus glossopalatinus, glossopalatine arch, glossopalatine fold
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