Neurovascular Anatomy: Internal Carotid Artery: Petrous Segment


Internal Carotid System
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Cervical Carotid
 

 
Petrous Segment
Internal Carotid Artery
Extends from base of skull to apex of petrous bone

Enters cranial vault via foramen lacerum.

Branches normally not seen angiographically - may be enlarged with carotid occlusive disease.