a dialyzing membrane: is a membrane that retains macromolecules (like proteins, lipids) but passes some solute (small molecules) such as ions, glucose, and urea.
This phenomenon is used in medicine (specifically nephrology) in hemodialysis: The dialyzing membrane An exchange module between the internal medium (blood) and the external environment (hemodialyzer), and an electrolytic solution for exchange. The dialysis session is provided by a dialysis machine. It saved patient with chronic renal failure who cannot do renal transplantation by eliminating substances that his body cannot do anymore, like the excess of the urea and ions like sodium, potassium, and chloride.
