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HEMOGLOBIN DETERMINATION | Up
Hospital Corpsman Revised Edition - Complete Navy Nursing manual for hospital training purposes | Next
TOTAL WHITE BLOOD CELL COUNT |
7-15
HEMACYTOMETER (COUNTING CHAMBER)
IMPROVED NEUBAUER RULING
A - B - C - D
1 - 2 - 3 - 4 - 5
ARE FIELDS USED IN DOING THE WHITE BLOOD CELL COUNT.
ARE FIELDS USED IN DOING THE RED BLOOD CELL COUNT.
(Letters, numbers, and arrows are not actually seen in the counting
chamber.
They are for illustration only.
Circles depict areas seen
through the microscope.)
Low power (100X)
High dry (400X)
Each of these small
squares is 1/25 mm square
(50 )
m
A
B
C
D
5
4
3
1
2
HM3f0716
This space is one
square mm. On the
hemacytometer its
depth is 1/10 of a
mm. For content
of this space,
multiply by 10 to
get content of
one cubic mm.
Figure 7-16.—Hemacytometer counting chamber.
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