(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
plasmapheresis in American English
(ˌplæzməˈfɛrəsɪs)
noun
a medical procedure in which blood is taken from a donor or patient, the plasma is separated from theblood cells in a centrifuge, and the blood cells are returned to the person's circulatory system