| kidney dialysis | <technique> The process of separating crystalloids and colloids in solution by the difference in their rates of diffusion through a semipermeable membrane, crystalloids pass through readily, colloids very slowly or not at all. <technique> A medical procedure that uses a machine to filter waste products from the bloodstream and restore the bloods normal constituents. A necessary form of treatment in the patient with end-stage renal disease. In most circumstances, kidney dialysis is administered in a fixed schedule of three times per week. See: haemodialysis. Origin: Gr. Lysis = dissolution (26 Nov 1998) |
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