Fig. 5From: Histological regional analysis of the aortic root and thoracic ascending aorta: a complete analysis of aneurysms from root to archGeneralised Collagen IV staining around ascending aorta aneurysm specimens with positive blood vessel controls (Top left and right). Collagen IV staining showing very generalised staining and increased staining around tears (Middle left and right). Collagen IV staining in the aortic root showing unique clumping of collagen very different to ascending aorta samples (Bottom left and right)Back to article page