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单词 alisphenoid
释义

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.

    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.

 
 

Definition of alisphenoid in US English:

alisphenoid

(also alisphenoid bone)
nounˌaləˈsfēˌnoid
Anatomy Zoology
  • A winglike cartilaginous bone within a mammal's skull, forming part of the socket of the eye.

    Example sentencesExamples
    • There is, however, an ectotympanic, and the pterygoids and alisphenoids are swollen, forming a sort of inflated bullae.
    • 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.
    • Posteromedial to the glenoid surface, the foramen ovale opens in the alisphenoid.

Origin

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

 
 
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更新时间:2024/11/10 14:58:23