noun Chemistry, Pharmacology.
a viscous polysaccharide, composed of dextrose, produced by bacterial action on sucrose: used in confections and lacquers and in medicine chiefly as an extender for blood plasma.
Origin of dextran
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
biochem a polysaccharide produced by the action of bacteria on sucrose: used as a substitute for plasma in blood transfusions
Word Origin for dextran
C19: from dextro- + -an
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Any of a group of long-chain polymers of glucose with various molecular weights that are used in isotonic sodium chloride solution for the treatment of shock, in distilled water for the relief of the edema of nephrosis, and as plasma volume expanders.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.