8 筒明人体解剖彩色图谱 234 1.上关节突 Superior articular 52.岬 promontory 3骶翼 aa of sacrum 4.舭前孔 anterior sacra foramina 5.横线 transverse line 6骶骨尖 apex Of sacrum 7.尾骨角 cocCygeal cornu 图10骶骨和尾骨(前面观) The sacrum and coccyx (anterior aspect 上关节突 superior articular process 2骶管 sacral canal 3骶粗隆 sacral tuberosity 4.且状面 auricular surface 12345 5.骶正中啃 median sacral crest 6 6骶外侧| teral sacral crest 7骶后孔 posterior sacral for amina 8.骶中间峭 intermediate sacral crest 9骶管裂孔 sacral hiatus 10.骶角 sacral cornu 11.尾骨角 coccygeal cornu 图11骨和尾骨(后面观) 1] The sacrum and coccyx (posterior aspect