NCIt definition : One of two arteries that supply oxygenated blood to the head and neck; the left common
carotid branches from the aorta and the right common carotid from the innominate (brachiocephalic
artery).;
Alternative definition : NCI-GLOSS: A major artery that carries blood from the heart to the head. There is
a carotid artery on each side of the neck, and each one splits into two branches.
The interior branch carries blood to the brain and eyes, and the exterior branch carries
blood to the face, tongue, and outside parts of the head.; CDISC: An artery of the mediastinum and neck; in general it arises as a primary or
secondary branch of the aortic arch and branches into the internal and external carotid
arteries.; ACC/AHA: The artery of the neck that arises from the aortic arch and terminates in
the external and internal carotid arteries whose pulse can be palpated just medial
to the sternocleidomastoid muscle.;