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absorptiometry

   Also found in: Medical, Encyclopedia 0.02 sec.
absorptiometry  (b-sôrpt-m-tr)
A method of chemical analysis in which a sample of a substance is exposed to electromagnetic radiation, and the amount of radiation absorbed by the sample is measured. This measurement is then used to determine the concentration or chemical composition of the substance. Absorptiometry is used in medicine to measure bone density.


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Dual-energy X-ray absorptiometry (DXA) scans can provide data on regional body composition, and abdominal computed tomography (CT) scan slices provide quantifiable data on subcutaneous and visceral fat.
Body shape changes: where are we? by Munk, Robert / Research Initiative/Treatment Action!
Dual-energy X-ray absorptiometry (DXA) was performed to assess fracture site bone mineral content (BMC, in grams).
Ultrasound produced by a conventional therapeutic ultrasound unit ... by Stewart, Rena L. / Physical Therapy
Dual-energy X-ray absorptiometry is a noninvasive method to assess body fat mass, body fat-free mass, and bone mineral mass and density for skeletal maturity.
Effects of environmental agents on the attainment of puberty: ... by Barr, Dana B. / Environmental Health Perspectives
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