Vomer

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Vomer

Vomer (/ˈvoʊmər/; from Latin: vomer, "ploughshare") is a bone found in the human skull. It is situated in the midsagittal line, and articulates with the sphenoid, the ethmoid, the left and right palatine bones, and the left and right maxillary bones.

Etymology

The term vomer is derived from the Latin word for "ploughshare". This is due to the bone's thin, flat shape, which is reminiscent of a ploughshare, the cutting blade part of a plough.

Anatomy

The vomer forms the inferior part of the nasal septum, with the superior part formed by the perpendicular plate of the ethmoid bone. The vomer is quadrilateral in shape, and its upper border is attached to the body of the sphenoid, and its lower border to the hard palate. The anterior border of the vomer articulates with the septal cartilage, while the posterior border articulates with the sphenoidal rostrum.

Related Terms

  • Nasal septum: The wall dividing the nasal cavity into two nostrils. The vomer bone forms the inferior part of this septum.
  • Sphenoid bone: The bone with which the upper border of the vomer is attached.
  • Ethmoid bone: The bone that forms the superior part of the nasal septum, with which the vomer articulates.
  • Palatine bones: The bones that form the hard palate, with which the vomer articulates.
  • Maxillary bones: The bones that form the upper jaw, with which the vomer articulates.
  • Perpendicular plate: The part of the ethmoid bone that forms the superior part of the nasal septum.
  • Septal cartilage: The cartilage that forms the anterior border of the vomer.
  • Sphenoidal rostrum: The part of the sphenoid bone that articulates with the posterior border of the vomer.

External links

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