Definition of alisphenoid in English:
alisphenoid
(also alisphenoid bone)
noun ˌalɪˈsfiːnɔɪdˌaləˈsfēˌnoid
Anatomy Zoology A winglike cartilaginous bone within a mammal's skull, forming part of the socket of the eye.
〔剖,动〕翼蝶骨
Example sentencesExamples
- 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.
- The bullae are sometimes not ossified, and when they are, they are formed largely by extensions from the alisphenoid.
- The outer wall of the braincase becomes the alisphenoid and the dermal skull bones.
- There is, however, an ectotympanic, and the pterygoids and alisphenoids are swollen, forming a sort of inflated bullae.
- Posteromedial to the glenoid surface, the foramen ovale opens in the alisphenoid.
Origin
Mid 19th century: from Latin ala 'wing' + sphenoid.