A machine for hemodialysis in acute or chronic renal failure; toxic substances in the blood are removed by exposure to dialyzing fluid across a semipermeable membrane. SYN: artificial kidney.
- ultrafiltration h. a h. that uses fluid pressure differentials to bring about loss (usually) of protein-free fluid from the blood to the bath.

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he·mo·di·a·lyz·er or chiefly Brit hae·mo·di·a·lys·er -'dī-ə-.lī-zər n ARTIFICIAL KIDNEY

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he·mo·di·a·lyz·er (he″mo-diґə-līz″ər) an apparatus by which hemodialysis may be performed; blood is brought in contact with a semipermeable membrane on whose other side is a dialysate solution of such composition as to secure diffusion of certain elements out of the blood.

Medical dictionary. 2011.

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  • hemodialyzer — /hee meuh duy euh luy zeuhr, hem euh /, n. Med. See artificial kidney. [1955 60; HEMO + DIA + LYZE + ER1] * * * …   Universalium

  • hemodialyzer — noun Something that performs hemodialysis …   Wiktionary

  • hemodialyzer — noun a machine that uses dialysis to remove impurities and waste products from the bloodstream before returning the blood to the patient s body • Syn: ↑artificial kidney • Hypernyms: ↑dialyzer, ↑dialysis machine * * * /hee meuh duy euh luy zeuhr …   Useful english dictionary

  • hemodialyzer membrane — the semipermeable membrane that filters the blood in a hemodialyzer, commonly made of cuprophane, cellulose acetate, polyacrylonitrile, polymethyl methacrylate, or polysulfone …   Medical dictionary

  • artificial kidney — noun a machine that uses dialysis to remove impurities and waste products from the bloodstream before returning the blood to the patient s body • Syn: ↑hemodialyzer • Hypernyms: ↑dialyzer, ↑dialysis machine * * * noun : an apparatus designed to… …   Useful english dictionary

  • dialysis — /duy al euh sis/, n., pl. dialyses / seez /. 1. Physical Chem. the separation of crystalloids from colloids in a solution by diffusion through a membrane. 2. Biochem. the separation of large molecules, as proteins, from small molecules and ions… …   Universalium

  • artificial kidney — n an apparatus designed to do the work of the kidney during temporary stoppage of kidney function called also hemodialyzer * * * (dialyser) see haemodialysis * * * popular term for hemodialyzer …   Medical dictionary

  • artificial kidney — a mechanical device that operates outside the body and substitutes for the kidney by removing waste products from the blood. Also called hemodialyzer. Cf. dialysis (def. 3). [1910 15] * * * …   Universalium

  • Hemodialysis — A medical procedure that uses a special machine (a dialysis machine) to filter waste products from the bloodstream and to restore normal constituents to the blood. This remarkable feat shuffling multiple substances about is accomplished by virtue …   Medical dictionary

  • Kidney — One of a pair of organs located in the right and left side of the abdomen which clear "poisons" from the blood, regulate acid concentration and maintain water balance in the body by excreting urine. The kidneys are part of the urinary… …   Medical dictionary

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