basisphenoid bone

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Related to basisphenoid bone: pterygoid bone, os sphenoidale

bod·y of sphe·noid

the central portion of the sphenoid bone from which the greater and lesser wings and the pterygoid processes arise. The sphenoidal sinuses lie within it.


Relating to the base or body of the sphenoid bone; denoting the independent center of ossification in the embryo that forms the posterior portion of the body of the sphenoid bone.
Synonym(s): basisphenoid bone

basisphenoid bone

The part of the chondrocranium located in the base of the brain between the basioccipital and the presphenoid, which ossifies separately in the embryo and forms part of the sphenoid bone in adults.
References in periodicals archive ?
Contrast-enhanced computed tomography (CT) of the temporal bone (3-mm serial cuts) demonstrated (1) heterogenously enhancing densities with loculated collections in the left middle ear and mastoid cavities, (2) gross destruction of the mastoid portion of the left temporal bone, left occipital bone, and adjacent basisphenoid bone, and (3) destruction of the carotid canal, jugular foramen, and styloid process (figure 2).