part of subdivision of postcranial axial skeleton sacral region sacral region of vertebral column GAID:32 Wikipedia:Sacrum sacral vertebrae series MA:0003157 sacral skeleton Subdivision of vertebral column that corresponds to the sacral subdivision of the body, containing the sacral vertebrae or sacrum. AAO:0000724 sacrum EHDAA2:0001772 EMAPA:17676 axial skeleton sacral region EHDAA:5059 subdivision of vertebral column