[医] 蝶底骨

Basisphenoid \Ba`si*sphe"noid\, Basisphenoidal
\Ba`si*sphe*noid"al\, a. [Basi- + sphenoid.] (Anat.)
Of or pertaining to that part of the base of the cranium
between the basioccipital and the presphenoid, which usually
ossifies separately in the embryo or in the young, and
becomes a part of the sphenoid in the adult.


Basisphenoid \Ba`si*sphe"noid\, n. (Anat.)
The basisphenoid bone.