roof of skull的意思|示意

It also cracked part of his lower skull, near the roof of his mouth, and damaged his sinuses.

还打裂了他颅骨靠近上颌骨的下半部分，损伤了鼻窦。

Conclusion: The imaging anatomy of ethmoidal roof, cribrum and understanding of the formation of olfactory fovea is the instructive significance for anterior skull base surgery.

结论：了解筛顶板及筛板的影像解剖及嗅凹的形成对减少前颅底外科手术并发症的发生具有十分重要的意义。