The iris in senile exfoliation of the lens.
D000375:Aging; D001284:Atrophy; D001485:Basement Membrane; D001808:Blood Vessels / Q000473:pathology; D004727:Endothelium / Q000473:pathology; D006801:Humans; D007498:Iris / Q000098:blood supply / Q000473:pathology*; D007908:Lens, Crystalline / Q000503:physiopathology*; D008854:Microscopy, Electron