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(ˈhɛmətəʊkrɪt; ˈhiː-) or


1. (Medicine) a centrifuge for separating blood cells from plasma
2. (Medicine) Also called: packed cell volume the ratio of the volume occupied by these cells, esp the red cells, to the total volume of blood, expressed as a percentage
[C20: from haemato- + Greek kritēs judge, from krinein to separate]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

hematocrit, haematocrit

a centrifuge used for separating blood cells from the plasma.
See also: Blood and Blood Vessels
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.haematocrit - the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit
ratio - the relative magnitudes of two quantities (usually expressed as a quotient)
2.haematocrit - a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood
centrifuge, separator, extractor - an apparatus that uses centrifugal force to separate particles from a suspension
measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Our g-formula estimates suggest that targeting a low hematocrit of 30-33 percent reduces the risk of death, compared with targeting higher hematocrits, in individuals with cardiac disease undergoing hemodialysis.
gondii exhibit anemia that is characterized by decreased hematocrits and is dependent upon production of IFNa.
Additionally, he said, men who live at high altitudes develop naturally high hematocrits as a response to decreased oxygen in the atmosphere.
In addition, he said, men who live at high altitudes develop naturally high hematocrits as a response to decreased oxygen in the atmosphere.
Table 2 shows the hematologic profile of TTP patients undergoing central line placement and the hematocrits after line placement.
Traditionally, hematocrit is directly determined by centrifugation (spun hematocrits).
(1) hypothesize that the hematocrit effect (i.e., the tendency of many blood glucose meter systems toward a positive bias at low hematocrits) in the SureStep[R]Flexx[R] meter (LifeScan) may have caused false hyperglycemia, which, when treated with insulin, may have led to some of the hypoglycemic events observed in the NICE-SUGAR (Normoglycemia in Intensive Care Evaluation and Survival Using Glucose Algorithm Regulation) study.
Patients were identified by the practitioner as those whose hematocrits had dropped, and who experienced adverse clinical signs and symptoms.
Blood, however, can maintain the flow until hematocrits of 98%.
Others may arrive at chronic hemodialysis severely anemic and require frequent transfusions just to maintain adequate hematocrits. Again, the presence or absence of kidney tissue may have an important role to play and it is generally accepted that anephric patients will have consistently low hematocrits.
Patients with unavailable hematocrits, those who received thrombolytics, or those whose charts had inconsistent death dates were also excluded.
1 shows the change in plasma creatinine as a function of time the plasma was in contact with red blood cells, at various hematocrits. Supplemented plasma samples with target creatinine concentrations of 442 and 1061 [micro] mol/L (5 and 12 mg/dL) are shown in Figs.