palatopharyngeal arch

(redirected from posterior pillar of fauces)

pal·a·to·pha·ryn·ge·al arch

[TA]
one of a pair of ridges or folds of mucous membrane that pass downward from the posterior margin of the soft palate to the lateral wall of the pharynx. It encloses the palatopharyngeus muscle and forms the posterior margin of the tonsillar fossa. It also demarcates the isthmus of fauces from the oropharynx.

pal·a·to·pha·ryn·ge·al arch

(pal'ă-tō-fă-rin'jē-ăl ahrch) [TA]
One of a pair of ridges or folds of mucous membrane that pass downward from the posterior margin of the soft palate to the lateral wall of the pharynx. It encloses the palatopharyngeus muscle and forms the posterior margin of the tonsillar fossa. It also demarcates the isthmus of the fauces from the oropharynx.

pal·a·to·pha·ryn·ge·al arch

(pal'ă-tō-fă-rin'jē-ăl ahrch) [TA]
Type of ridge of mucous membrane that passes downward from posterior margin of soft palate to lateral wall of pharynx.
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