2008三医大 WJ Chen △ 1. pelvis TErminal line x5 Terminal line promontory of sacrum, arcuate line, pecten pubis, pubic tubercle, pubic crest, symphysis. x Divisions: greater pelvis lesser pelvis Pubic arch 162008三医大 WJ Chen 16 Terminal line： promontory of sacrum, arcuate line, pecten pubis, pubic tubercle, pubic crest, symphysis. Divisions ：greater pelvis， lesser pelvis Terminal line Pubic arch 1.pelvis