buffy-coat

buffy coat

noun Biochemistry.
a yellowish-white layer consisting of leukocytes that, upon centrifugation of blood, covers the red blood cells.

Origin:
1790–1800

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

buffy coat buf·fy coat (bŭf'ē)
n.
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.
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