Tonsillar fossa

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] .

Tonsillar fossa
The mouth cavity. (Tonsillar fossa, which is a part of the oropharynx, visible but not labeled.)
Details
Identifiers
Latinfossa tonsillaris
TAA05.2.01.009
FMA55041
Anatomical terminology

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

References
  1. "tonsillar fossa". TheFreeDictionary.com. Retrieved 2016-11-05.

This article incorporates text in the public domain from page 1138 of the 20th edition of Gray's Anatomy (1918)


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