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A synthetic polymer consisting mainly of linear 1-vinyl-2-pyrrolidone groups, with mean molecular weights ranging from 10,000-70,000; used as a dispersing and suspending agent; povidone with between 20,000-40,000 molecular weight has been used as a plasma extender. It is not metabolized, but is excreted unchanged by the kidney.
Farlex Partner Medical Dictionary © Farlex 2012
polyvidoneAn ocular lubricant used to treat dry eye syndromes. A brand name is Oculotect.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005