posterior canal wall construction 外耳道重建术
posterior canal wall reconstruction 中耳重建术
posterior semicircular canal [解剖] 后骨半规管 ; 后半规管
posterior teeth root canal 后牙根管
Summary of Background Data. There have been few reports of migration of cervical disc herniation to the posterior surface of the spinal canal.
背景资料概要：很少有颈椎间盘突出移位到椎管的后表面的报导。
It companied with carotid canal and hypoglossal canal outside hole, and formed triangle that posterior groups nerve and jugular buld existed in.
与颈动脉管外口、舌下神经管外口形成了三角形，出颅的后组脑神经及颈静脉球位于三角形内。
Objective: To study the effectiveness of posterior semicircular canal occlusion with microwave assisted technique.
目的：探讨应用微波技术行后半规管阻塞术的可行性。
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