| NOUN | act | pheresis, apheresis | a procedure in which blood is drawn and separated into its components by dialysis |
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| Meaning | A procedure in which blood is drawn and separated into its components by dialysis; some are retained and the rest are returned to the donor by transfusion. | |
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| Synonym | apheresis | |
| Narrower | plasmapheresis | Plasma is separated from whole blood and the rest is returned to the donor |
| plateletpheresis | platelets are separated from whole blood and the rest is returned to the donor | |
| Broader | dialysis | separation of substances in solution by means of their unequal diffusion through semipermeable membranes |
| Spanish | aféresis | |
| Catalan | fèresi | |
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