| clearing factors | Lipoprotein lipases that appear in plasma during lipaemia and catalyze hydrolysis of triglycerides only when the latter are bound to protein and when an acceptor (e.g., serum albumin) is present, thus "clearing" the plasma. (05 Mar 2000) |
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| clearing medium | A medium used in histology for making specimens translucent or transparent. (05 Mar 2000) |