Mnemonic

Internal Carotid Artery Segment Order

Mnemonic for the four main segments of the internal carotid artery.

Anatomy Head and Neck

Expansion

Cats Prowl Caves Carefully

Expansion

C - Cervical segment, in the neck
P - Petrous segment, within the temporal bone
C - Cavernous segment, through the cavernous sinus
C - Cerebral segment, giving rise to the circle of Willis