Definition of alisphenoid in English:

Share this entry


Pronunciation: /ˌalɪˈsfiːnɔɪd/
(also alisphenoid bone)


Anatomy & Zoology
A wing-like cartilaginous bone within a mammal’s skull forming part of the socket of the eye.
Example sentences
  • The outer wall of the braincase becomes the alisphenoid and the dermal skull bones.
  • As a reminder, the pterygoid is a dermal bone; and the alisphenoid is retreaded epipterygoid which traces its ultimate origin to the palatoquadrate and the gill arch series.
  • Posteromedial to the glenoid surface, the foramen ovale opens in the alisphenoid.


Mid 19th century: from Latin ala 'wing' + sphenoid.

For editors and proofreaders

Line breaks: ali|sphen|oid

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.