乳突段(mastoid segment),自鼓室后壁锥隆起高度下达茎乳孔。长约16mm。
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mastoid segment of facial nerve 乳突段
·2,447,543篇论文数据,部分数据来源于NoteExpress
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。
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