Amyloidosis causes the protein amyloid to be deposited within blood vessels in the skin and subcutaneous tissues, which may increase the fragility of the blood vessels, causing purpura. When a person develops bruising around the eyes or bruising after only light stoking, doctors may suspect amyloidosis.
Noun. 1. dialysis-separation of substances in solution by means of their unequal diffusion through semipermeable membranes. chemical analysis, qualitative analysis-the act of decomposing a substance into its constituent elements.
(dÄ«Äl`Ä­sÄ­s), in chemistry, transfer of solute (dissolved solids) across a semipermeable membrane. , transfer of a liquid solvent through a semipermeable membrane that does not allow dissolved solids (solutes) to pass. Osmosis refers only to transfer of solvent; transfer of solute is called dialysis.