ethmoid,palatine

bone(枕骨) temporal bone(颞骨) sphenoid bone(蝶骨) ethmoid bone
其它 多层ct筛骨解剖变异 写美篇 anatomical variants of ethmoid
the ethmoid bone (筛骨)
frontal sinusethmoidal air cells(sinus)sphenoidal sinus
中筛窦 middle ethmoid sinuses 32.鼻腔 nasal cavity 33.