Definition of plasmapheresis
: a process for removing 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
Origin and Etymology of plasmapheresis
New Latin, from plasm- + Greek aphairesis taking off — more at aphaeresis
First Known Use: 1914
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