<Tr> <Th> FMA </Th> <Td> 3939 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> <P> In anatomy, the left and right common carotid arteries (carotids) (English: / kəˈrɒtɪd /) are arteries that supply the head and neck with oxygenated blood; they divide in the neck to form the external and internal carotid arteries . </P> <P> The common carotid arteries are present on the left and right sides of the body . These arteries originate from different arteries, but follow symmetrical courses . The right common carotid originates in the neck from the brachiocephalic trunk; the left from the aortic arch in the thorax . These split into the external and internal carotid arteries at the upper border of the thyroid cartilage, at around the level of the fourth cervical vertebra . </P>

Function of the right and left common carotid arteries