posterior nasal spine

{{Infobox bone

| Name = Posterior nasal spine

| Latin = spina nasalis posterior ossis palatini

| Image = Gray169.png

| Caption = Left palatine bone. Posterior aspect. Enlarged. (Posterior nasal spine labeled at bottom right.)

| Image2 = Gray196.png

| Caption2 = Roof, floor, and lateral wall of left nasal cavity. (Posterior nasal spine labeled at bottom left.)

| PartOf = Medial end of posterior border of horizontal plate of palatine bone of skull

| System = Skeletal

}}

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.

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.

Clinical applications

The posterior nasal spine is an important cephalometric landmark.{{Cite journal|last1=van Loosen|first1=J|last2=Baatenburg de Jong|first2=R J|last3=Van Zanten|first3=G A|last4=Engel|first4=T|last5=Lanjewar|first5=D N|last6=van Velzen|first6=D|date=1 October 1997|title=A cephalometric analysis of nasal septal growth|url=https://europepmc.org/article/med/9372258|journal=Clinical Otolaryngology and Allied Sciences|volume=22|issue=5|pages=453–458|issn=1365-2273|pmid=9372258}}

Additional images

File:Gray187.png|Base of skull. Inferior surface.

References

External links

{{cite web|url=http://www.tk.de/rochelexikon/pics/s34257.000-1.html|title=Anatomy diagram: 34257.000-1|work= Roche Lexicon - illustrated navigator|publisher= Elsevier|archiveurl=https://web.archive.org/web/20120722052131/http://www.tk.de/rochelexikon/pics/s34257.000-1.html|archivedate=2012-07-22}}

Category:Bones of the head and neck