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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 ?
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.
Contract notice: Tender, for the award of the supply of immuno-diagnostic systems and plasma apheresis and multicomponent be allocated to sc immunohaematology and transfusion medicine of the usl valle d~aosta - race number 6174127.
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
com)-- The global market for apheresis equipment is expected to reach USD 2,885.
Once every two weeks, a patient spends two to four hours connected to an apheresis unit that removes 70-to-80 percent of the patient's LDL (bad) cholesterol, then returns the blood to the body.
Apheresis Equipment Market (Plasmapheresis, Photopheresis, Apheresis in Neurological, Renal, Hematological Diseases, Centrifugation, Membrane Filtration, Apheresis Machines and Disposable Kits) - Global Industry Analysis, Size, Share, Growth, Trends and Forecast, 2012 - 2018
The court ruled that NOTA clearly bans compensation for extraction of marrow through aspiration, but also ruled that the law does not ban compensation for the extraction of PBSCs through apheresis.
Tokyo, Sept 25, 2009 - (JCN) - Asahi Kasei Kuraray Medical will construct a new plant in Oita, Japan, for the manufacture of therapeutic apheresis devices.
The, CD34+ cell yield, number of apheresis procedures performed, cytokine cost, and time to engraftment were recorded.
Mark Deeg also directs the LDL Apheresis Program at Indiana University School of Medicine.
Newcastle Blood Centre Apheresis Unit, which welcomes both blood and platelet donors, has extended its hours.