"C: cervical segment"
"P: petrous segment"
"L: lacerum segment"
"C: cavernous segment"
"C: clinoid segment"
"O: ophthalmic segment"
"C: communicating segment"
"C: cervical segment"
"P: petrous segment"
"L: lacerum segment"
"C: cavernous segment"
"C: clinoid segment"
"O: ophthalmic segment"
"C: communicating segment"
"P: petrous segment"
"O: ophthalmic segment"
Expected headings
"Mnemonic"