Elderly man undergoing renal dialysis,photographed in hospital connected to a kidney machine. Kidney dialysis machines utilise the principle of haemodialysis to remove waste materials from the bloodstream of a person whose kidneys function insufficiently. A stream of blood from an artery is circulated through the machine on one side of a semi-permeable membrane,whilst a solution of comparable electrolytic concentration circulates on the other side. Water & waste products pass across the membrane but blood cells & proteins are too large to do so. Purified blood is returned to the body through a vein | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Mulvehill, Larry |
Taille de l’image : | 5256 px × 3408 px |
Model Release : | Disponible |
Property Release : | Non requis |
Restrictions : |
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