Amyloidosis refers to the extracellular deposition of a protein called amyloid.
These protein deposits can affect multiple organs. The deposition of amyloid may be a by-product of normal aging, or may be seen with several conditions. In this picture, amyloidosis has produced a patchy appearance. Amyloidosis refers to the extracellular deposition of a protein called amyloid. This protein deposition can affect multiple organs.