- a toxic synthetic nucleoside, C9H13N3O5, used as an immunosuppressive and cytotoxic agent in the treatment of certain leukemias.
Also cytosine arabinoside, ara-C.
Origin of cytarabine
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.