foramen spinosum

the display rates of foramen rotundum, foramen ovale, foramen spinosum and foramen lacerum were 86%, 100%, 99% and 99% respectively.

各孔显示率圆孔为86%、卵圆孔为100%，棘孔为99%，破裂孔为99%。

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For the foramen spinosum, bilateral symmetry in 3 cases ( 15 % ) and asymmetry in 17 cases ( 85 % ).

棘孔两侧对称3例 ( 15% ) ,两侧不对称者17例 ( 85% ).

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the computer three-dimensional reconstruction program software was applied to display the foramen rotundum, foramen ovale, foramen spinosum and foramen lacerum. the measurement function of computer was adopted to determine the average inside diameters of the foramina above, and their shapes and gender differences were observed.

使用电子计算机三维重建程序立体地显示颅底内面的圆孔、卵圆孔、棘孔和破裂孔，并运用计算机的测量功能测出重建图像的颅底各孔径的内径均值，观察其形态及分析男女性别差异。

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Resluts: The distance from the head of the malleus to the root of the zygoma and the posterior lip of the foramen spinosum was ( 19.44 ± 1.48) mm and ( 17.74 ± 1.32) mm respectively.

结果：锤骨头的位置相对恒定，其与颧弓根后点和棘孔后唇距离分别为（19.44±1.48）mm和（17.74±1.32）mm。

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observation and measurement of the sphenoid emissary vein foramen ( canal) of the greater wing, foramen rotundum, foramen ovale and foramen spinosum

蝶骨大翼蝶导静脉孔（管）、圆孔、卵圆孔和棘孔的观测

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