One clinical test is called the Spatula Test, and it involves touching the posterior pharyngeal wall with a wooden spatula and observing the effect.

其中一个临床检查叫压舌板试验，即用木质压舌板触碰咽后壁，观察其效果。

External Acoustic (Auditory) Canal It extends from the bottom of the concha to the tympanic membrane and measures about 24 mm along its posterior wall.

外耳道从外耳门向内延伸至鼓膜，长度约 24 毫米。