Objective: to study the anatomical relationship of TMJ with the adjacent anatomic landmarks and important nerves and vessels for the application of TMJ operation with arthroscopy.

目的：了解颞下颌关节(TMJ)与邻近各解剖标志以及重要神经血管的解剖关系，以便更好地掌握手术操作方式和手术范围。

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For example, the anatomical landmarks can be an S1 foramen of the side being accessed and a sacroiliac joint.

例如，解剖标志可以是被进入边的S1孔和骶髂关节。

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Conclusion the inferior horn of thyroid cartilage and the suspensory ligament of thyroid gland are most reliable as the anatomical landmarks for recognizing the recurrent laryngeal nerve.

结论甲状腺手术识别喉返神经的五种解剖标志中，以甲状软骨下角尖(或环甲关节)和甲状腺悬韧带较可靠，其次为甲状腺下极、甲状腺下动脉和气管食管沟。

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