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Polyurethane/cellulose filter for kidney

Polyurethane/cellulose filter for kidney

A850/0134

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Credit

ASTRID & HANNS-FRIEDER MICHLER / SCIENCE PHOTO LIBRARY ASTRID & HANNS-FRIEDER MICHLER / SCIENCE PHOTO LIBRARY

Caption

Light micrograph of a section of polyurethane containing hollow cellulose fibres (dark circles), the surface of a filter element of a kidney (haemodialysis) machine. Haemodialysis is a filtering operation performed on the blood of persons whose kidneys have failed. Blood removed from an artery is passed through the dialyser on one side of the filter membrane, while a electrolyte solution compatible with blood circulates on the other side. Water & waste products pass through the filter, whose pores prevent the passage of blood cells & proteins. Magnification: x30 at 6x4.5cm size. Differential Interference Contrast.

Release details

Model release not required. Property release not required.

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