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Anatomical feature From Wikipedia, the free encyclopedia
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 | |
| Latin | fossa tonsillaris |
| TA98 | A05.2.01.009 |
| TA2 | 2851 |
| FMA | 55041 |
| Anatomical terminology | |
In many cases, however, this sinus is obliterated by its walls becoming adherent to the palatine tonsils.
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