Definition of alisphenoid in English:

alisphenoid

(also alisphenoid bone)

noun

Anatomy Zoology
  • A wing-like cartilaginous bone within a mammal's skull forming part of the socket of the eye.

    • ‘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.’
    • ‘The outer wall of the braincase becomes the alisphenoid and the dermal skull bones.’
    • ‘The bullae are sometimes not ossified, and when they are, they are formed largely by extensions from the alisphenoid.’
    • ‘There is, however, an ectotympanic, and the pterygoids and alisphenoids are swollen, forming a sort of inflated bullae.’

Origin

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

Pronunciation:

alisphenoid

/ˌalɪˈsfiːnɔɪd/