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1. Linguistics Variant of aphaeresis.
2. aph·e·re·sis (ăf′ə-rē′sĭs) Medicine A procedure in which blood is drawn from a donor and separated into its components, some of which are retained, such as plasma or platelets, and the remainder returned by transfusion to the donor. Also called hemapheresis.


(əˈfɪərɪsɪs) or


1. (Linguistics) the omission of a letter or syllable at the beginning of a word
2. (Medicine) a method of collecting blood from donors that enables its different components, such as the platelets or plasma, to be separated out
Also informally called: pheresis
[C17: via Late Latin from Greek, from aphairein to remove]
apheretic, aphaeretic adj


or a•phaer•e•sis

(əˈfɛr ə sɪs)

the loss or omission of one or more letters or sounds at the beginning of a word, as in squire for esquire or count for account.
[1605–15; < Late Latin aphaeresis < Greek aphaíresis removal]
aph•e•ret•ic (ˌæf əˈrɛt ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.apheresis - (linguistics) omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until'
linguistics - the scientific study of language
deletion, omission - any process whereby sounds or words are left out of spoken words or phrases
2.apheresis - a procedure in which blood is drawn and separated into its components by dialysisapheresis - 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
dialysis - separation of substances in solution by means of their unequal diffusion through semipermeable membranes
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


n aféresis f
References in periodicals archive ?
Terumo BCT is a global leader in blood component, therapeutic apheresis and cellular technologies.
announced today it is launching the world's most comprehensive database of evidence on Apheresis, available through its SOHInfo[TM] division.
To make apheresis services available to patients admitted outside the normal operational hours of apheresis units, the apheresis service in the study institution uses an external nursing service as a supplement.
Objective: To evaluate the effect of apheresis procedure on platelet's activation dependent glycoproteins' expression on their surface.
Total collections and transfusions of whole blood, whole blood derived (WBD) RBC, platelet, plasma, and cryoprecipitate units (including total numbers of blood components imported from the continental United States), as well as RBC, platelet, and plasma units collected via apheresis ([paragraph]) methods were tabulated.
Apheresis is an invasive process that involves the separation of components such as platelets, RBC, plasma, and other components from whole blood.
USPRwire, Tue Sep 22 2015] Apheresis Market by Application (Plasmapheresis, Plateletpheresis, Erythrocytapheresis, Leukapheresis, and Photopheresis), Procedure (Therapeutic Apheresis, Donor Apheresis/Apheresis Blood Donation), Technology & by Product - Global Forecast to 2020
Abu Dhabi: The apheresis process being carried out at Shaikh Khalifa Medical City (SKMC) is offering new hope to patients with blood disorders, with the state-of-the-art treatment providing an alternative to a previous method that carried a high possibility of morbidity and mortality.
Summary: Shaikh Khalifa Medical City completes 500 apheresis sessions
Terumo BCT has made two grants of $10,000 to fund education to raise the awareness and understanding of apheresis medicine.
According to Advanced Prenatal, the patent describes technology that is the basis for its lead product, the Targeted Apheresis Column for Preeclampsia (TAC-PE), and is estimated to grant protection through at least 2030.
Washington, March 3 ( ANI ): Loyola University Medical Center is offering a treatment called LDL apheresis, which is similar to kidney dialysis, for patients who have been unable to control cholesterol with lifestyle changes and medications.