Common Carotid Artery: Anatomy

Describe the origin, course and termination of Internal Carotid Artery. List its parts and their branches.
Answer.

Internal Carotid Artery Origin, course and termination

“The Role Of Imaging In Diagnosing Common Carotid Artery Issues Accurately”

It begins as one of the two terminal branches of common carotid artery at the upper border of the thyroid cartilage.
It enters the cranial cavity through the carotid canal and foramen lacerum.
In the cranial cavity, it traverses through the cavernous sinus and finally terminates at the base of brain by dividing into anterior and middle cerebral arteries.

“Early Signs Of Common Carotid Artery Dysfunction”

Internal Carotid Artery Parts and branches

Cervical part:
- No branch
Petrous part:
- Caroticotympanic branches to the middle ear
- Pterygoid branch, which enters the pterygoid canal

“Understanding The Role Of The Common Carotid Artery In Circulation”

Cavernous part:
- Cavernous branches to the wall of cavernous sinus and trigeminal ganglion
- Hypophyseal branches to the hypophysis cerebri
- Meningeal branches
Cerebral part

Reader Interactions