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Haematocrit

Definition

noun

(1) The ratio of blood volume that is occupied by red blood cells, usually expressed as a percentage of the total blood volume.

(2) The instrument used to determine the relative amounts of corpuscles and plasma in the blood.


Supplement

An average (normal) value for HCT in men is 46% and in women is 38%.


Word origin: the term "hematocrit" was coined in 1903. Its roots stem from the Greek words hemat - blood, and krites, judge - meaning to gauge or judge the blood.

Abbreviation: Ht, HCT. Variant: hematocrit.

Synonym: packed cell volume (PCV), erythrocyte volume fraction (EVF).


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Re: Haematocrit and Packed Cell Volumes

How would you tell which concentration of saline is isotonic? Cell appearence should give a clue.

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by MichaelXY
Fri Oct 17, 2008 3:39 am
 
Forum: Molecular Biology
Topic: Haematocrit and Packed Cell Volumes
Replies: 2
Views: 1761

Haematocrit and Packed Cell Volumes

Hi there, What is the significance of lower % PCVs or higher % PCVs in blood (mixed with saline solutions)? We did an experiment and there is a decreasing trend between PCV and NaCl ... Does the low PCV indicate that more cells has lysed (at the higher NaCl conc)? How would you tell which concentrat...

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by micco13
Mon Oct 06, 2008 8:53 am
 
Forum: Molecular Biology
Topic: Haematocrit and Packed Cell Volumes
Replies: 2
Views: 1761

Spleen analysis

... this abstract.... sounds interesting (the one I highlight), unfortunately I don't have the fulltext :( Influence of the spleen on blood volume and haematocrit in the brush-tailed possum ( Trichosurus vulpecula ) TJ Dawson and MJS Denny Abstract The blood volume of T. vulpecula was measured and ...

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by DoctorStein
Sat Jul 05, 2008 11:40 am
 
Forum: Physiology
Topic: Spleen analysis
Replies: 0
Views: 4320


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