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Sphenoid bone

Bone: Sphenoid bone
Cranial Bones
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.

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 lower part of the body.

Named features

Various other named features of the sphenoid bone exist:

Additional images

Lateral wall of nasal cavity, showing ethmoid bone in position.

The skull from the front.

See also

External links

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 As such, some of the information contained herein may be outdated.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.

The content of this section is licensed under the GNU Free Documentation License (local copy). It uses material from the Wikipedia article "Sphenoid bone" modified March 30, 2007 with previous authors listed in its history.