Article topic: Carotid Occlusive Artery Disease – Carotid Artery Stenosis Author: Yusra Ghassan (Moh’d Akram) Arafeh Scientific editor: Dr.Omar Jbara  Linguistic editor: Philip Sweidan   Anatomy The vascularization of the brain and the spinal cord depends entirely on two sources: the right and left vertebral arteries, which arise from the right and left subclavian arteries and the right and left internal carotid arteries, which arise at the base of the neck where the common carotid arteries bifurcate into external and internal carotid arteries. After arising from the subclavian arteries, the vertebral arteries then proceed superiorly and travel across the posterior […]