Answer: plasmapheresis

AnswerCrossword Clue
plasmapheresisA method of removing blood plasma from the body by withdrawing blood, separating it into plasma and cells, and transfusing the cells back into the bloodstream. It is performed esp. to remove antibodies in treating autoimmune conditions
plasmapheresisthe process of separating plasma from red blood cells in blood from donor, and returning red blood cells to donor