medical
: an instrument for measuring the aggregation of platelets in a sample of blood
Finally, a clinically easy-to-use and accurate bedside platelet aggregometer may help deliver optimal antiplatelet therapy to our patients.—
Steven P. Schulman, Journal of the American Medical Association, 20 Oct. 2004
Note:
An aggregometer records the changes in the relative intensities of light passing through a sample of blood when it is treated with an agent (such as ADP or collagen) that acts to aggregate platelets.
aggregometry
noun
The standard test of how readily platelets clump is called aggregometry. It is usually performed in a specialized laboratory and can take two to three hours.
—Andrew Pollack, New York Times, 20 July 2004
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Merriam-Webster unabridged
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