Blood count
The calculated number of white or red blood cells (WBCs or RBCs) in a cubic millimeter of blood.
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Calculation of the number of red (RBC) or white (WBC) blood cells in a cubic millimeter of blood, by means of counting the cells in an accurate volume of diluted blood.
- complete b. (CBC) a combination of the following determinations: red blood cell count, white blood cell count, erythrocyte indices, hematocrit, differential b., and sometimes platelet count.
- differential white b. an estimate of the percentage of each white blood cell type making up the total white blood cell count.
- Schilling b. a method of counting blood in which the polymorphonuclear neutrophils are separated into four groups according to the number and arrangement of the nuclear masses in these cells. SYN: Schilling index.

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blood count n the determination of the blood cells in a definite volume of blood also the number of cells so determined see COMPLETE BLOOD COUNT, DIFFERENTIAL BLOOD COUNT

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the numbers of different blood cells in a known volume of blood, usually expressed as the number of cells per litre. A sample of blood at known dilution is passed through a narrow opening in an electronic counting device. Blood-count investigations are important in the diagnosis of blood diseases. See also differential leucocyte count.

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blood cell count determination of the number of formed elements in a cubic millimeter of blood; it may be a complete blood count or it may measure just one of the formed elements. Methods include manual counts with a hemacytometer and automated counts with a flow cytometer, a Coulter counter, or other means.

Medical dictionary. 2011.

Look at other dictionaries:

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  • blood count — blood′ count n. med the count of the number of red and white blood cells and platelets in a specific volume of blood • Etymology: 1895–1900 …   From formal English to slang

  • blood count — n. 1. a medical test to determine the number of red blood cells, white blood cells, or platelets in a given volume of blood 2. the number of blood cells or platelets so determined …   English World dictionary

  • blood count — blood ,count noun count the number of red or white cells in your blood, or a test to measure this, for example in order to find out the state of your IMMUNE SYSTEM …   Usage of the words and phrases in modern English

  • blood count — ► NOUN ▪ a determination of the number of corpuscles in a specific volume of blood …   English terms dictionary

  • blood count — noun 1. the number of red and white corpuscles in a blood sample • Hypernyms: ↑count 2. the act of estimating the number of red and white corpuscles in a blood sample • Hypernyms: ↑count, ↑counting, ↑numeration, ↑enumeration, ↑recko …   Useful english dictionary

  • blood count — the count of the number of red and white blood cells and platelets in a specific volume of blood. [1895 1900] * * *       laboratory test that determines the number of red blood cells (erythrocytes (erythrocyte)) and white blood cells (leukocytes …   Universalium

  • blood count — n. 1) to do a blood count on 2) to have a blood count (done) * * * [ blʌdkaʊnt] to do a blood count on to have a blood count (done) …   Combinatory dictionary

  • blood count — the numbers of different blood cells in a known volume of blood, usually expressed as the number of cells per litre. A sample of blood at known dilution is passed through a narrow opening in an electronic counting device. Blood count… …   The new mediacal dictionary

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