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；

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The left triangle of auscultation was at a higher position than the right one, and the upper and medial angles were closer to the posterior median line.

左听三诊的上角位置较高，它的上角、内侧角距后正中线的距离较近。

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