Normal vessel wall for comparison with Aneurysm

Normal vessel wall for comparison with Aneurysm •High power view of normal artery wall showing slightly thickened intima, internal elastic lamina ( arrow) and well organized muscularis. •Cerebral arteries have a thinner media and adventitia than arteries elsewhere in the body and no external elastic lamina. (Description By:Margaret Grunnet,M.D. ) (Image Contrib. by:Margaret Grunnet,M.D. UCHC )