The sacrum is the bone that is shaped like an upside-down triangle at the base of the spine.
骶骨位于脊椎底端，是一个向上的三角形。
Chordomas are rare tumors of notochordal tissue remnants and most frequently affect the sacrum and skull base.
脊索瘤是来自脊索遗迹的罕见肿瘤，主要侵犯荐椎及颅底。
Chordomas are rare tumors of notochordal tissue remnants and most frequently affect the sacrum and skull base.
脊索瘤是来自脊索遗迹的罕见肿瘤，主要侵犯荐椎及颅底。
应用推荐