sphenethmoid
蝶篩骨
Sphe·neth·moid, n. Anat. The sphenethmoid bone.
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Sphe·neth·moid a. Anat. Of or pertaining to both the sphenoidal and the ethmoidal regions of the skull, or the sphenethmoid bone; sphenethmoidal.
Sphenethmoid bone Anat., a bone of the skull which surrounds the anterior end of the brain in many amphibia; the girdle bone.