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Posterior nasal spine

The posterior nasal spine is part of the horizontal plate of the palatine bone of the skull. It is found at the medial end of its posterior border. It is paired with the corresponding palatine bone to form a solid spine. It is the attachment of the uvula muscle.

Posterior nasal spine
Left palatine bone. Posterior aspect. Enlarged. (Posterior nasal spine labeled at bottom right.)
Roof, floor, and lateral wall of left nasal cavity. (Posterior nasal spine labeled at bottom left.)
Details
Part ofmedial end of posterior border of horizontal plate of palatine bone of skull
Systemskeletal
Identifiers
LatinSpina nasalis posterior ossis palatini
TA98A02.1.13.017
TA2815
FMA75776
Anatomical terms of bone
[edit on Wikidata]

Structure

The posterior nasal spine is found at the medial end of the posterior border of the horizontal plate of the palatine bone of the skull.

Function

The posterior nasal spine is the attachment of the uvula muscle.

Society and culture

The posterior nasal spine is an important cephalometric landmark.[1]

Additional images

See also

References

  This article incorporates text in the public domain from page 167 of the 20th edition of Gray's Anatomy (1918)

  1. ^ van Loosen, J; Baatenburg de Jong, R J; Van Zanten, G A; Engel, T; Lanjewar, D N; van Velzen, D (1 October 1997). "A cephalometric analysis of nasal septal growth". Clinical Otolaryngology and Allied Sciences. 22 (5): 453–458. ISSN 1365-2273. PMID 9372258.

External links

  • . Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2012-07-22.

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