fraction (redirected from plasma protein fraction)

fraction /frac·tion/ (frak´shun)

1. a portion of something larger.

2. in chemistry, one of the separable constituents of a substance.frac´tional

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ejection fraction  the proportion of the volume of blood in the ventricles at the end of diastole that is ejected during systole; it is the stroke volume divided by the end-diastolic volume, often expressed as a percentage. It is normally 65 ± 8 per cent; lower values indicate ventricular dysfunction.

plasma protein fraction  a preparation of serum albumin and globulin obtained by fractionating source blood, plasma, or serum from healthy human donors; used as a blood volume supporter.

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frac·tion (frkshn)

n.

1. An expression that indicates the quotient of two quantities.

2. A chemical component separated by fractionation.

3. A disconnected piece; a fragment.

4. An aliquot portion or any portion.

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fraction

size expressed as a relative part of a unit.

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attributable fraction

the proportion of disease in the exposed group which is caused by the factor.