a yellowish-white layer consisting of leukocytes that, upon centrifugation of blood, covers the red blood cells.
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- buffon, georges louis leclerc, comte de,
Origin of buffy coat
First recorded in 1790–1800
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The upper, lighter portion of the blood clot occurring when coagulation is delayed or when blood has been centrifuged.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.