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Common carotid artery — Anatomy Notes, Diagram & Quiz
The Common carotid artery is located in the neck. Supplies blood to head and neck. The Common carotid artery bifurcates into the internal and external carotid arteries at the level of the thyroid cartilage.
Key facts
| Location | Neck |
|---|---|
| Main function | Supplies blood to head and neck. |
| Layer | organs |
| Key fact 1 | The Common carotid artery bifurcates into the internal and external carotid arteries at the level of the thyroid cartilage. |
| Key fact 2 | The Common carotid artery supplies oxygenated blood to the head and neck structures. |
| Key fact 3 | The Common carotid artery has different origins: the left from the aortic arch and the right from the brachiocephalic trunk. |
Where is the Common carotid artery located?
The Common carotid artery is located in the neck.
The Common carotid artery bifurcates into the internal and external carotid arteries at the level of the thyroid cartilage.
What does the Common carotid artery do?
Supplies blood to head and neck.
The Common carotid artery supplies oxygenated blood to the head and neck structures.
What to know for exams
- The Common carotid artery bifurcates into the internal and external carotid arteries at the level of the thyroid cartilage.
- The Common carotid artery supplies oxygenated blood to the head and neck structures.
- The Common carotid artery has different origins: the left from the aortic arch and the right from the brachiocephalic trunk.
It belongs to the organs layer. Learn its location, relations, and the structures it works with.
Clinical relevance
The Common carotid artery has different origins: the left from the aortic arch and the right from the brachiocephalic trunk.
Link the common carotid artery to its blood supply, innervation and relations. That is how exam questions usually test it.
Memory aid: Common carotid artery
The Common carotid artery bifurcates into the internal and external carotid arteries at the level of the thyroid cartilage. The Common carotid artery supplies oxygenated blood to the head and neck structures. The Common carotid artery has different origins: the left from the aortic arch and the right from the brachiocephalic trunk.
Chain it as location → function → clinical link when you revise.
Common carotid artery anatomy quiz
Five questions. Open each answer after you commit to a response.
-
Where is the Common carotid artery located?
Reveal answer
Neck
-
What is the main function of the Common carotid artery?
Reveal answer
Supplies blood to head and neck.
-
Give one key fact about the Common carotid artery.
Reveal answer
The Common carotid artery bifurcates into the internal and external carotid arteries at the level of the thyroid cartilage.
-
Give another key fact about the Common carotid artery.
Reveal answer
The Common carotid artery supplies oxygenated blood to the head and neck structures.
-
What clinical link is associated with the Common carotid artery?
Reveal answer
The Common carotid artery has different origins: the left from the aortic arch and the right from the brachiocephalic trunk.
Common questions
Where is the Common carotid artery located?
The Common carotid artery is located in the neck. The Common carotid artery bifurcates into the internal and external carotid arteries at the level of the thyroid cartilage.
What does the Common carotid artery do?
Supplies blood to head and neck. The Common carotid artery supplies oxygenated blood to the head and neck structures.
What is a key fact about the Common carotid artery?
The Common carotid artery has different origins: the left from the aortic arch and the right from the brachiocephalic trunk.
What layer does the Common carotid artery belong to?
It belongs to the organs layer of the body.
What should I remember for exams?
The Common carotid artery bifurcates into the internal and external carotid arteries at the level of the thyroid cartilage. The Common carotid artery supplies oxygenated blood to the head and neck structures. The Common carotid artery has different origins: the left from the aortic arch and the right from the brachiocephalic trunk.
Sources
- Standring, S. (ed.). Gray’s Anatomy, 42nd edition. Elsevier, 2020.
- TeachMeAnatomy — anatomy library
- Kenhub — anatomy library
- StatPearls / NCBI Bookshelf — Common carotid artery search
3D atlas and image credits
Anatomy models: BodyParts3D, © Database Center for Life Science (DBCLS), CC BY-SA 2.1 Japan. Écorché by Charleeh, derived from BodyParts3D and Z-Anatomy, CC BY-SA 4.0. Rendered in anotemy. Changes: highlighting, framing, labels and background removal. Images: CC BY-SA 4.0.
The 3D models are third-party assets under Creative Commons share-alike licences. They keep those licences; the page text is separate. If you reuse an image, keep the attribution and the share-alike licence.