Summary of Background Data.The morphometry of L5 has been studied to help the introduction of pedicular screws. 背景资料概要：通过对L5的形态测量学研究来帮助椎弓根螺钉的导入。
SUMMARY OF BACKGROUND DATA: The morphometry of L5 has been studied to help the introduction of pedicular screws. 背景概要：通过测量L5形态帮助椎弓根螺钉的导入。
A bachelor says: "This pedicular the beard that visits prime minister frequently, still had been seen by the emperor. 一位学士说：“这个虱子屡次游览宰相的胡须，还被皇上见过。
A guest picks up a pedicular scrutiny to wear, say to everybody: "Hey, I still become it is not pedicular. 一个客人便拾起虱子细看着，对大家说：“嘿，我还当它不是虱子呢。”
Method:Anterior and posterior pedicular height,pedicular depth,alar depth,and posterior alar height of S1 vertebrae were measured in 11 cadaver bony pelves bilaterally. 方法:测量16具尸体骨盆标本双侧S1椎弓根前后缘的高度、深度(S1椎弓根最狭窄处的宽度)、骶翼深度、骶翼高度。
Passed a little while, be afraid that pedicular meeting is starved to death again, have Tibet afresh go in dress of pedicular broken batt replace. 过了一会，又怕虱子会饿死，就重新把藏有虱子的破棉絮放回衣服里去。
