Or`bi*to*sphe"noid (?), a. [Orbit + sphenoid.] Anat.
Of or pertaining to the sphenoid bone and the orbit, or to the orbitosphenoid bone.
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n.
The orbitosphenoid bone, which is situated in the orbit on either side of the presphenoid. It generally forms a part of the sphenoid in the adult.
© Webster 1913.