pheresis

[fuh-ree-sis, fer-uh-]

Origin of pheresis

probably by construal of plasmapheresis as plasma + -pheresis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

pheresis in Medicine

pheresis

[fə-rēsĭs, fĕrĭ-]
n.
  1. Apheresis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.