Relating to the sphenoid bone and the petrous portion of the temporal bone.
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References in periodicals archive ?
The most common sites of chondrosarcoma origin are the petroclival, petro-occipital, spheno-occipital, and sphenopetrosal synchondroses.
The anatomical osseous landmarks at this level were the petrous apex with the carotid canal, the jugular foramen, the foramen lacerum, the sphenopetrosal fissure or suture, and the root of the pterygoid process.