differential blood count
[ dĭf′ə-rĕn′shəl ]
An estimate, based on cell counts in a representative sample, of the percentage of white blood cell types that make up the total white blood cell count.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.