A骶骨盆面B骶骨背面1骶岬promontory2骶前孔pelvicsacralforamen3骶后孔dorsalsacralforamen4骶管裂孔sacralhiatus5上關(guān)節(jié)突superiorarticularprocess6骶角sacralcornu7骶正中嵴mediansacralcrest8骶中間嵴intermediatesacralcrest9骶外側(cè)嵴lateralsacralcrest骶骨由5塊骶椎愈合 (共 300 字) [閱讀本文] >>