<P> The internal carotid runs vertically upward in the carotid sheath , and enters the skull through the carotid canal . During this part of its course , it lies in front of the transverse processes of the upper three cervical vertebrae . </P>
<P> The internal carotid runs vertically upward in the carotid sheath , and enters the skull through the carotid canal . During this part of its course , it lies in front of the transverse processes of the upper three cervical vertebrae . </P>
where does the internal carotid artery enter the skull
where does the internal carotid artery enter the skull
the carotid canal
the carotid canal