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Sphenoid bone

Bone: Sphenoid bone
Cranial Bones. Only the end of the wing of the sphenoid bone is visible
Sphenoid bone, upper surface.
Latin os sphenoidale
Gray's subject #35 147
MeSH Sphenoid+Bone

The sphenoid bone (from Greek sphenoeides, "wedgelike") is a bone situated at the base of the skull in front of the temporals and basilar part of the occipital bone.

The sphenoid bone somewhat resembles a butterfly or bat with its wings extended.



It is divided into the following parts:

Two sphenoidal conchae are situated at the anterior and posterior part of the body.


Named features

Various other named features of the sphenoid bone exist:

  • pterygoid notch
  • pterygoid fossa
  • scaphoid fossa
  • vaginal process
  • pterygoid hamulus
  • pterygoid canal
  • pterygospinous process


Additional images

See also

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Sphenoid_bone". A list of authors is available in Wikipedia.
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