Definition of alisphenoid in English:

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Pronunciation: /ˌaləˈsfēˌnoid/


(also alisphenoid bone) Anatomy & Zoology
A winglike cartilaginous bone within the mammalian 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

Syllabification: al·i·sphe·noid

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