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basisphenoid

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basisphenoid /ba·si·sphe·noid/ (ba″sĭ-sfe´noid)
2. an embryonic bone that becomes the back part of the body of the sphenoid.

ba·si·sphe·noid (bs-sfnoid)
adj.
1. Of or relating to the base or body of the sphenoid bone.
2. Relating to or being the independent center of ossification in the embryo that forms the posterior portion of the body of the sphenoid bone.

basisphenoid [ba″sĭ-sfe´noid]
an embryonic bone that becomes the back part of the body of the sphenoid.

basisphenoid
one of the bones of the floor of the skull which, with the presphenoid, constitutes the sphenoid bone.

basisphenoid fracture
occurs in horses that rear over backwards. Characterized by unilateral facial paralysis, circling gait. Called also occipital fracture.


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A CT scan was arranged, with a view to excision, and it demonstrated a large, deep facial mass centered on the pterygopalatine fissure, with erosion of the basisphenoid and basioccipital bone.
One month before our evaluation, a CT was performed at another hospital and showed an osteolytic lesion with infiltrative margins and heterogeneous contrast enhancement, primarily involving the central base of the skull and covering both the basisphenoid and basiocciput.
 
 
 
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