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 midpiece consists of 5 or 6 mitochondria, a pair of centriole and several vesicles.
中段包括5或6个线粒体，一对中心粒及一些泡状结构。
Objective To approach the clinical method of complex therapy for midpiece esophagus cancer.
目的探讨综合治疗中段食管癌的临床方法。
应用推荐