Macular Degeneration, Age-Related, 9, also known as age related macular degeneration 9, is related to rapidly progressive glomerulonephritis and purpura. An important gene associated with Macular Degeneration, Age-Related, 9 is C3 (Complement C3), and among its related pathways/superpathways are Complement cascade and Adhesion. Affiliated tissues include eye and endothelial, and related phenotypes are cellular and immune system