For clinical application of blockanesthesia,the sacral canal and itsneighboring structures were investiga-ted and measured on 100 sacra and 20adult cadaver specimens.

• 针对临床骶管阻滞麻醉所提出的问题,对100例成人干燥骶骨和20具成人尸体标本骶管及骶骨背面邻近区域的有关结构进行了观测。