Tonsillar fossa

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Tonsillar fossa
The mouth cavity. (Tonsillar fossa, which is a part of the mesopharynx, visible but not labeled.)
Latin fossa tonsillaris
Gray's p.1138

Between the plica triangularis and the surface of the palatine tonsils is a space known as the tonsillar fossa (or tonsillar sinus); in many cases, however, this sinus is obliterated by its walls becoming adherent.

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

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