结果：在气管杈层面上，尖后段静脉居中，其前方，前段动脉居前段支气管的内前方；
Results:On the section through tracheal bifurcation, in front of the apicoposterior segmental vein, anterior segmental artery lay medioanterior to anterior segmental bronchus.
由岩蝶韧带、三叉神经囊内侧面及ICA后外侧面围成，展神经动脉后段经过此三角；
Triangle of abducens nerve was formed by the petrosphenoidal ligament, the medial wall of Meckel's cave and the posterolateral wall of ICA, and abducens nerve passed through this triangle.
由岩蝶韧带、三叉神经囊内侧面及ICA后外侧面围成，展神经动脉后段经过此三角；
Triangle of abducens nerve was formed by the petrosphenoidal ligament, the medial wall of Meckel's cave and the posterolateral wall of ICA, and abducens nerve passed through this triangle.
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