Tonsillar fossa

Tonsillar fossa
The mouth cavity. (Tonsillar fossa, which is a part of the oropharynx, visible but not labeled.)
Details
Identifiers
Latin	fossa tonsillaris
TA	A05.2.01.009
FMA	55041
*Anatomical terminology* [edit on Wikidata]

The tonsillar fossa (or tonsillar sinus) is a space delineated by the triangular fold (plica triangularis) of the palatoglossal and palatopharyngeal arches within the lateral wall of the oral cavity.^[1] In this space lie the palatine tonsils .

In many cases, however, this sinus is obliterated by its walls becoming adherent to the palatine tonsils.

References

↑ "tonsillar fossa". TheFreeDictionary.com. Retrieved 2016-11-05.

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

Photo at usda.gov

Anatomy of the mouth

Lip	Upper Lower Vermilion border Frenulum of lower lip Labial commissure of mouth Philtrum

Cheek	Buccal fat pad

Roof	Hard palate Soft palate Palatine raphe Incisive papilla

Gums	Interdental papilla Gingival sulcus Gingival margin Gingival fibers Junctional epithelium Mucogingival junction Sulcular epithelium Stippling Periodontium Cementum Gingiva Periodontal ligament

Glands	Parotid gland duct Submandibular gland duct Sublingual gland duct

Teeth	see tooth anatomy

Tongue	Top Taste bud Median sulcus Terminal sulcus Foramen cecum Lingual tonsils Underside Frenulum Fimbriated fold Sublingual caruncle Glossoepiglottic folds Lingual septum

Back of mouth	Oropharynx fauces Plica semilunaris of the fauces Uvula Palatoglossal arch Palatopharyngeal arch Tonsillar fossa Palatine tonsil

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