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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