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adj.膜的；[解剖][无脊椎]鞘的；壳的
1、thecal sac───硬膜囊
1、Objective: To compare the effect of the rotary needle treatment and the crossed needle treatment of wrist thecal cysts.───目的：探讨旋针法(治疗组)与“十”字针法(对照组)治疗腕背囊肿疗效的观察。
2、The results show that the fimbria tube and infundibular section both are the thecal structure.───结果表明，输卵管伞和漏斗部均为膜性结构。
3、The thecal sac and nerve root are then gently retracted and protected with a nerve retractor.───使用神经牵引器轻柔的牵拉与保护硬膜囊与神经根。
4、The reason and meaning of high component of ALP in thecal layer and difference of yolk platelets were discussed.───最后讨论卵泡鞘ALP高含量及卵黄小板形态差异的原因及意义。
5、sac cross-sectional area was calculated at each disc space.───计算每个椎间隙处的硬膜囊横断面积。
6、Objective: To study the role of thecal myofibroblast in ovulation.───目的：探讨肌成纤维细胞在排卵过程中的作用。
7、Imaging Diagnosis of Juxta-articular Intraosseous Thecal Cysts───骨内腱鞘囊肿的影像学诊断
8、Objective: To compare the effect of the rotary needle treatment and the "crossed" needle treatment of wrist thecal cysts.───目的：探讨旋针法（治疗组）与“十”字针法（对照组）治疗腕背囊肿疗效的观察。
9、Thecal sac cross-sectional area was calculated at each disc space.───计算每个椎间隙处的硬膜囊横断面积。