Body of sphenoid

Dr Craig Hacking and Dr Aaron Wong et al.

The body of the sphenoid bone is the midline cubical portion of the sphenoid bone, hollowed by the sphenoid air sinuses

Gross anatomy

The body has superior, inferior, anterior, posterior, and lateral surfaces.

The superior surface features:

The inferior surface features:

  • sphenoidal rostrum: continuous with sphenoidal crest
  • vaginal process: projecting lamina on either side of rostrum, directed medially

The anterior surface features:

  • sphenoidal crest: middle, vertical crest that articulates with perpendicular plate of ethmoid that contributes to nasal septum
  • sphenoidal air sinus opening
  • sphenoidal conchae
Articulations

The posterior surface joins the basilar part of the occipital bone.

The lateral surface (2) unites with the greater wing and medial pterygoid plate. It features: 

Anatomy: Head and neck
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Article information

rID: 37480
Section: Anatomy
Tag: anatomy
Synonyms or Alternate Spellings:
  • sphenoid body

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Cases and figures

  • Sphenoid bone sup...
    Figure 1: sphenoid bone, anterior view
    Drag here to reorder.
  • Sphenoid bone pos...
    Figure 2: sphenoid bone, posterior view
    Drag here to reorder.
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