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词汇 postorbital
释义

Definition of postorbital in English:

postorbital

adjective pəʊstˈɔːbɪt(ə)lˌpōstˈôrbədl
Zoology
  • Situated at the back of the orbit or eye socket, in particular denoting a process of the frontal bone which in some reptiles forms a separate bone.

    眶后的

    Example sentencesExamples
    • The postorbital process of the frontal bone is sharp.
    • The skulls of mormoopids lack postorbital processes.
    • All artiodactyls have a postorbital bar or process.
    • The skull of a colugo is very distinctive, broad and flat in outline and with a nearly complete postorbital process that sets off the eye sockets.
    • The orbit is far back in the skull, behind the teeth, and the postorbital processes are broad.
noun pəʊstˈɔːbɪt(ə)lˌpōstˈôrbədl
Zoology
  • A postorbital bone.

    眶后骨

    Example sentencesExamples
    • The capitate processes are small and visible through the supratemporal fenestrae dorsally, fitting within fossae in the postorbitals.
    • Again, there may be individual variation and some exceptions, but the general rule is six bones: three operculars, the squamosal, a postorbital, and any posterior process of the lacrimojugal.
    • Anteriorly, the postorbital contacts the jugal, and posteriorly the postorbital enters the upper temporal arch.
    • For example, in the Podcnemoidae, the jugal makes contact with the parietal, the postorbital being very reduced.
    • Lateral processes for the postorbitals are short, and a broad sutural contact with the laterosphenoid occurs within the supratemporal space.

Definition of postorbital in US English:

postorbital

adjectiveˌpōstˈôrbədl
Zoology
  • attributive Situated at the back of the orbit or eye socket, in particular denoting a process of the frontal bone which in some reptiles forms a separate bone.

    眶后的

    Example sentencesExamples
    • The skull of a colugo is very distinctive, broad and flat in outline and with a nearly complete postorbital process that sets off the eye sockets.
    • The skulls of mormoopids lack postorbital processes.
    • All artiodactyls have a postorbital bar or process.
    • The postorbital process of the frontal bone is sharp.
    • The orbit is far back in the skull, behind the teeth, and the postorbital processes are broad.
nounˌpōstˈôrbədl
Zoology
  • A postorbital bone.

    眶后骨

    Example sentencesExamples
    • Lateral processes for the postorbitals are short, and a broad sutural contact with the laterosphenoid occurs within the supratemporal space.
    • Again, there may be individual variation and some exceptions, but the general rule is six bones: three operculars, the squamosal, a postorbital, and any posterior process of the lacrimojugal.
    • Anteriorly, the postorbital contacts the jugal, and posteriorly the postorbital enters the upper temporal arch.
    • The capitate processes are small and visible through the supratemporal fenestrae dorsally, fitting within fossae in the postorbitals.
    • For example, in the Podcnemoidae, the jugal makes contact with the parietal, the postorbital being very reduced.
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