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Vomer

The vomer is a singular bone that runs vertically within the nasal cavity, separating the left and right sides.

Anatomy

When the skull is completely assembled, it can only be seen through the nasal orifice, anteriorly. This cranial structure runs caudally in an anterior and inferior direction, so that from a lateral point of view it looks like a diagonal rectangle (or a plough as it is more commonly known). The entire bone is ossified by means of the intramembranous pathway.

Recommended video: Vomer
Anatomy, function, definition of the vomer.

The vomer is part of the nasal septum which follows the midline of the viscerocranium and creates the division between the two symmetrical sides of the nasal cavity. To be exact, the vomer forms the posterior inferior aspect of the septum in between the perpendicular plate of the ethmoid bone anterosuperiorly and the palatine bone posteroinferiorly. In addition, the maxilla links to the vomer anteriorly and inferiorly, the sphenoid bone posteriorly and the nasal cartilage anteriorly.

Articulations

The vomer articulates with the following bones:

  • palatine
  • maxilla 
  • ethmoid
  • sphenoid

The posterior border, however, is not attached to any bones but soft tissue, making it one of the few bones of the skull which does not fully articulate to other bones.

Highlights

The vomer is a singular bone that runs vertically within the nasal cavity, separating the left and right sides. It runs caudally in an anterior and inferior direction. The vomer is part of the nasal septum which follows the midline of the viscerocranium and creates the division between the two symmetrical sides of the nasal cavity. The vomer articulates with the palatine, maxilla, ethmoid and sphenoid bones.

Vomer - want to learn more about it?

Our engaging videos, interactive quizzes, in-depth articles and HD atlas are here to get you top results faster.

Sign up for your free Kenhub account today and join over 852,397 successful anatomy students.

“I would honestly say that Kenhub cut my study time in half.” – Read more. Kim Bengochea Kim Bengochea, Regis University, Denver

Show references

Reference:

  • Neil S. Norton, Ph.D. and Frank H. Netter, MD, Netter’s Head and Neck Anatomy for Dentistry, 2nd Edition, Elsevier Saunders, Chapter 2 Osteology, p.40

Author:

  • Dr. Alexandra Sieroslawska
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Related Atlas Images

Inferior view of base of the skull

Medial wall of the nasal cavity

Lateral wall of the nasal cavity

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