apheresis definition

  • noun:
    • Linguistics Variant of aphaeresis.
    • medication A procedure in which bloodstream is attracted from a donor and sectioned off into its elements, some of which are retained, such as for instance plasma or platelets, and the remainder returned by transfusion into the donor. Also referred to as hemapheresis.
    • The removal of blood from a patient, in addition to removal of particular components (such as platelets) from that bloodstream, followed closely by the transfusion associated with the filtered blood back to the donor (client).
    • The dropping of a letter or syllable from the beginning of a word; e. g., sweet for severe.
    • a surgical procedure through which any part is separated from the rest.
    • In sentence structure, the omission of a letter or an unaccented syllable right from the start of a word.
    • In med.: removing something noxious. Large and damaging extraction of blood.
    • In surgery, amputation.
    • a procedure which bloodstream is attracted and separated into its components by dialysis; some are retained additionally the rest tend to be returned to the donor by transfusion
    • (linguistics) omission at the beginning of a word as with `coon' for `raccoon' or `till' for `until'

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