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。
2
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.