磨削骨半规管透过菲薄的骨质显示暗蓝色的膜半规管即为“蓝线”。
The bony semicircular canal was drilled until it was so thin that the membranous canal was visible as blue color, called blue line.
在骨迷路上，有3个作为头部角加速度计的半规管。
Located within the labyrinth are three semicircular canals that act as angular accelerometers for the head.
镫骨与周围重要结构之间的空间狭小，尤其是与面神经、水平半规管距离小。
There are much more small Spaces between the stapes and the structures especially facial nerve and the lateral semicircular canal around it.
充分暴露外半规管轮廓和砧骨窝，保持骨性外耳道后壁的完整。
Outside the full exposition the semicircular canals outline and the anvil nest, maintains the osseous external auditory meatus behind completeness.
目的：寻找乙状窦前入路中骨性半规管的轮廓化方法和内淋巴囊的识别标志。
Aim:To seek the landmark of bony semicircular canal and inner lymph sac.
面神经乳突段及骨性半规管未发现明显变异。
No variations of the mastoid segment of facial nerve and the bony semicircular canals were observed.
面神经乳突段及骨性半规管未发现明显变异。
No variations of the mastoid segment of facial nerve and the bony semicircular canals were observed.
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