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[plaz-muh-fuh-ree-sis] /ˌplæz mə fəˈri sɪs/
noun, Medicine/Medical.
a type of apheresis in which blood cells are returned to the bloodstream of the donor and the plasma is used, as for tranfusion.
Origin of plasmapheresis
1915-20; plasm- + apheresis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for plasmapheresis


(in blood transfusion) a technique for removing healthy or infected plasma by separating it from the red blood cells by settling or using a centrifuge and retransfusing the red blood cells into the donor or patient
Word Origin
C20: from plasm + Greek aphairesis taking away
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
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plasmapheresis in Medicine

plasmapheresis plas·ma·phe·re·sis (plāz'mə-fə-rē'sĭs, -fěr'ə-)
A process in which plasma is taken from donated blood and the remaining components, mostly red blood cells, are returned to the donor.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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