Branches
The following are the branches of the internal carotid artery, listed by segment:
- C1: Branches from the cervical portion - none.
- C2: Branches from the petrous portion
- Caroticotympanic arteries
- vidian artery
- C3: Branches from the lacerum portion - none
- C4: Branches from the cavernous portion
- Branches of the meningohypophyseal trunk:
- Tentorial basal branch
- Tentorial marginal branch
- Meningeal branch - helps supply blood to the meninges of the anterior cranial fossa
- Clivus branches - tiny branches that supply the clivus
- Inferior hypophyseal artery
- Capsular branches - supplies wall of cavernous sinus
- Branches of the inferolateral trunk:
- Branches to trigeminal ganglion - provide blood to trigeminal ganglion
- Artery of the foramen rotundum
- Branches to nerves
- Branches of the meningohypophyseal trunk:
- C5: Branches from the clinoid portion - none
- C6: Branches from the ophthalmic portion
- Ophthalmic artery
- Superior hypophyseal artery
- C7: Branches from the communicating portion
- Posterior communicating artery
- Anterior choroidal artery
- Anterior cerebral artery (a terminal branch)
- Middle cerebral artery (a terminal branch)
Read more about this topic: Internal Carotid Artery
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