haemodialysis


haemodialysis
n.
a technique of removing waste materials or poisons from the blood using the principle of dialysis. Haemodialysis is performed on patients whose kidneys have ceased to function; the process takes place in an artificial kidney, or dialyser. The stream of blood taken from an artery is circulated through the dialyser on one side of a semipermeable membrane, while a solution of similar electrolytic composition to the patient's blood circulates on the other side. Water and waste products from the patient's blood filter through the membrane, whose pores are too small to allow passage of blood cells and proteins. The purified blood is then returned to the patient's body through a vein.

Medical dictionary. 2011.

Look at other dictionaries:

  • haemodialysis — n. a technique of removing waste materials or poisons from the blood using the principle of dialysis. Haemodialysis is performed on patients whose kidneys have ceased to function; the process takes place in an artificial kidney, or dialyser. The… …   The new mediacal dictionary

  • haemodialysis — noun the use of dialysis to remove waste products from the blood in the case of kidney failure …   Wiktionary

  • haemodialysis — n. dialysis of the blood, removal of waste products from the body by a machine (used in the case of kidney failure) …   English contemporary dictionary

  • haemodialysis — [ˌhi:mə(ʊ)dʌɪ alɪsɪs] (US hemodialysis) noun (plural haemodialyses si:z) Medicine kidney dialysis …   English new terms dictionary

  • haemodialysis — /ˌhimoʊdaɪˈæləsəs/ (say .heemohduy aluhsuhs) noun → dialysis (def. 2). Also, hemodialysis. Usage: For spelling variation see haemo …   Australian English dictionary

  • haemodialysis — noun dialysis of the blood to remove toxic substances or metabolic wastes from the bloodstream; used in the case of kidney failure • Syn: ↑hemodialysis • Hypernyms: ↑dialysis * * * haemodialˈysis noun Dialysis of the blood using a kidney machine… …   Useful english dictionary

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