hemacytometer


Also found in: Dictionary, Encyclopedia, Wikipedia.

hemacytometer

 [he″mah-si-tom´ĕ-ter]
a device used for manual blood counts, consisting of a counting chamber of uniform depth that is covered by a ruled cover glass so that the region under each ruled square contains a known volume of the diluted specimen. Called also hemocytometer.

he·mo·cy·tom·e·ter

(hē'mō-sī-tom'ĕ-tĕr),
An apparatus for estimating the number of blood cells in a quantitatively measured volume of blood; it consists of a glass pipette with an ampulla for collecting and diluting the blood, and a counting chamber marked in squares.
[hemo- + G. kytos, cell, + metron, measure]

hemacytometer

/hema·cy·tom·e·ter/ (he″mah-si-tom´ĕ-ter) an apparatus used for making manual blood counts with a counting chamber.

hemacytometer

(hē′mə-sī-tŏm′ĭ-tər)
n.
An instrument for counting the number of blood cells in a measured volume of blood.

hemacytometer

[-he′məsītom′ətər]
Etymology: Gk, haima, blood, kytos, cell, metron, measure
a device for visually counting the number of cells in a known volume of blood or other fluid.

he·mo·cy·tom·e·ter

(hē'mō-sī-tom'ĕ-tĕr)
An apparatus for estimating the number of blood cells in a quantitatively measured volume of blood; consists of a glass pipette with an ampulla for collecting and diluting the blood, and a counting chamber marked in squares.
Synonym(s): hemacytometer, haemocytometer.
[hemo- + G. kytos, cell, + metron, measure]

hemacytometer

References in periodicals archive ?
METHODS FOR ENUMERATING INOCULUM CONCENTRATION Inoculum Enumeration Methods Number of Responses Plate Count 8 Turbidity (Spectrophotometry) 5 MPN 1 Hemacytometer Cell Counts 1 TABLE 5.
Comparative evaluation of the Iris iQ200 body fluid module with manual hemacytometer count.
The concentration of the cells was manually counted with Bright-Line hemacytometer (Sigma).
Final concentration was adjusted to 104 zoospores per milliliter using a hemacytometer (Ward and Stoessl, 1974; KoC et al.
Concentrations of these stock suspensions were estimated as the means of 3-4 replicate counts on a hemacytometer.
Leukocytes were collected from whole blood by using Histopaque 1077, according to the manufacturer's instructions, counted on a hemacytometer, and resuspended at a concentration of 30 X [10.
Cell viability was determined by Trypan blue exclusion test using a hemacytometer.
05% Tween 80 (Sigma); Aspergillus spores were counted on a hemacytometer and adjusted to a final concentration of 5 x [10.
After treatment, the supernatant was collected and a cell count was conducted using a hemacytometer and light microscopy to determine loss of cell adherence.
Many labs still rely on a method, which has been used for decades: manual cell count using the hemacytometer.
We recommend that an amniotic fluid sample be sent to the clinical hematology laboratory, that a WBC count be performed in the standard hemacytometer chamber, and that this be followed by a differential count.