Internal carotid artery segments (mnemonic)

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The internal carotid artery segments, according to the Bouthillier classification, can be recalled by the following mnemonic:

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Mnemonic

  • C: cervical segment
  • P: petrous segment
  • L: lacerum segment
  • C: cavernous segment
  • C: clinoid segment
  • O: ophthalmic segment
  • C: communicating segment