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| 骨半规管 (包括前骨半规管、后骨半规管和外骨半规管，呈形，约为圆周的2/3。3个骨半规管互相垂直。每个骨半规管有两个骨脚连于前庭，即细小的单骨脚和膨大的壶腹脚。由于前骨半规管、后骨半规管的单骨脚合成总骨脚，3个骨半规管共有5个孔开口于前庭的后壁) | |||
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| 骨半规管 | |||
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