PLASMAPHERESIS

[plas.ma.phe.re.sis] n [NL, fr. plasm- + Gk aphairesis taking off--more at aphaeresis] (1914): a process for obtaining blood plasma without depleting the donor or patient of other blood constituents (as red blood cells) by separating out the plasma from the whole blood and returning the rest to the donor's or patient's circulatory system