A process of selective diffusion through a membrane; usually used to separate low-molecular-weight solutes which diffuse through the membrane from the colloidal and high-molecular-weight solutes which do not.
A method to clean the blood of patients with renal failure.
separation of substances in solution my means of their unequal diffusion through semipermeable membranes
separation of substances in solution by means of their unequal diffusion through semipermeable membranes
