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单词 dialysis
释义 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 in a solution by allowing the latter to pass through a semipermeable membrane.
  3.  Med.   (in kidney disease) the process by which uric acid and urea are removed from circulating blood by means of a dialyzer.
 [1580-90; < LL < Gk diálysis a separation. See DIA-, -LYSIS]
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