Fig. 4
From: Micromechanical and Ultrastructural Properties of Abdominal Aortic Aneurysms
Used with permission of Royal Society (Great Britain), from Niestrawska et al. [18]; permission conveyed through Copyright Clearance Center, Inc
Second-harmonic generation (SHG) images of: (left) a healthy abdominal aorta. Top three images: in-plane sections of the intima (I), media (M) and adventitia (A). Bottom image: Image through whole thickness of vessel, intima towards left hand side of image, adventitia to the right. (Right) tissue taken from a ruptured abdominal aortic aneurysm. Top image: LL Luminal Layer demonstrating orientation of collagen fibres towards the circumferential direction. Bottom image: AL Abluminal Layer demonstrating marked adipocyte deposition and cystic medial degeneration. μ Scale bar, 100 μm.