application of sacra plexus an esthesia in anorectal operations
骶管阻滞麻醉在肛门直肠手术中的应用
Methods: The structures concerned with sacral canal blocking were dissected in 50 sacra and 30 adult specimens.
方法:解剖观测了50块骶骨和30具成人尸体标本与骶管阻滞麻醉相关的结构。
The posterior rami of the lumbar spinal nerves were observed in 13 adult cadavers and 56 adult sacra.
在13具成人尸体和56块成人骶骨上对腰神经后支作了观察。
These , the sacra gentilitia, are well known.
这些 sacragentilitia [氏族祭典]是众所周知的.
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