base of sacrum 中文意思是什麼
base of sacrum
解釋
骶骨底-
Chordomas are rare tumors of notochordal tissue remnants and most frequently affect the sacrum and skull base
摘要脊索瘤是來自脊索遺跡的罕見腫瘤,主要侵犯薦椎及顱底。
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