The tail consists of 4 segments: neck region, midpiece, principle piece and endpiece.
尾部又分4段:颈段、中段、主段和末段。
The contour and functions of oral maxillofacial and neck region were restored well.
口腔颌面颈部外形和功能均恢复良好。
Objective to study the diagnosis and treatment of malignant hemangiopericytoma in head and neck region.
目的探讨头颈部恶性血管外皮瘤的诊断和治疗。
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