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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n aféresis f
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Its health care operations include devices and systems for acute critical care, dialysis, therapeutic apheresis, transfusion, and manufacture of biotherapeutics, as well as pharmaceuticals and diagnostic reagents.
Data of patients were recorded, which included age, gender, body mass index, blood pressure, pulse, fever, alcohol consumption and smoking, presence of DM, previous exacerbations of AP and related therapeutic apheresis, previous medical treatment for hyperlipidemia, length of exacerbation-free period after therapeutic apheresis (by reassessment of patients).
[USPRwire, Thu Oct 04 2018] Therapeutic apheresis is a procedure of the removal of a blood component from a patient using the apheresis technology.
Terumo BCT, a provider of blood component, therapeutic apheresis and cellular technologies, is reportedly the only company with the unique combination of apheresis collections, manual and automated whole blood processing and pathogen reduction technologies.
Therapeutic apheresis can be considered life saving in patients with severe APS (11).
Aqui et al., "Guidelines on the use of therapeutic apheresis in clinical practice-evidence-based approach from the writing committee of the american society for apheresis: the seventh special issue," Journal of Clinical Apheresis, vol.
Musial, "Beneficial therapeutic effect of plasmapheresis after unsuccessful treatment with corticosteroids in two patients with severe toxic epidermal necrolysis," Therapeutic Apheresis and Dialysis, vol.
Yagisawa et al., "Plasmapheresis for prevention of recurrent focal segmental glomerulosclerosis of kidney allograft in adult recipients," Therapeutic Apheresis, vol.
The goal was to maximize the use of current staff, instead of hiring additional nurses or contracting outside services to perform therapeutic apheresis procedures.
Ersoy, "Ertapenem associated with seizures in treatment of pyelonephritis in a chronic peritoneal dialysis patient," Therapeutic Apheresis and Dialysis, vol.