The internal carotid artery enters the skull through the carotid canal and branches into the anterior and middle cerebral arteries and opthalmic arteries.
- The carotid canal, which is situated in the petrous part of the temporal bone immediately above the jugular fossa, is where the internal carotid artery enters the skull as it travels upward through the neck.
- Only a small amount of bone divides the artery from the cochlea and the trigeminal ganglia within the anterior region of the canal.
- The internal carotid arteries (ICAs) pass through the cavernous sinuses on either side of the sphenoid bone to enter the skull through the foramina lacera in the middle cranial fossae, where they divide into the anterior and middle cerebral arteries.
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