Figure 3From: Unilateral congenital elongation of the cervical part of the internal carotid artery with kinking and looping: two case reports and review of the literature Inferior view of the base of the brain removed from the cranial cavity with its roof and parts of the floor of the posterior cranial fossa. 1 – enlarged left vertebral artery (VA); 2 – small right VA; 3 – basilar artery; 4 – upper end of cervical portion of right internal carotid artery (ICA); 5 – inferior wall of right carotid canal (CC) in petrous bone; 6 – superior wall of left CC in petrous bone; 7 – part of right ICA corresponding to foramen lacerum; 8 – cavernous part of right ICA; 9 – right middle meningeal artery in endosteal layer of dura mater; 10 – upper end of right internal jugular vein; 11 – medulla oblongata; 12 – basal part of mastoid process; 13 – dura matter (DM) on inferior surfaces of temporal lobes; 14 – DM on inferior surfaces of frontal lobesBack to article page