dual-energy x-ray absorptiometry

dual-energy x-ray absorptiometry (DEXA),

Use of low-dose x-radiation of two different energies to measure bone mineral content at different anatomic sites.

dual-energy x-ray absorptiometry

n. Abbr. DEXA or DXA Absorptiometry using two x-ray beams at different energy levels, especially in determining bone mineral density.

dual-energy X-ray absorptiometry

A technique using two different X-ray beams to estimate bone density in vertebrae and hip, which is the most accurate way to measure bone mineral density. Strong, dense bones allow less of an X-ray beam to pass through them; the amounts that each beam are blocked by bone and soft tissue are compared to each other.
Pros
DEXA can measure as little as 2% bone loss/year; it is fast and uses very low doses of radiation

du·al x-ray ab·sorp·ti·om·e·try

(DXA) (dū'ăl eks'rā ăb-sorp'shē-om'ĕ-trē) Use of low-dose x-radiation of two different energies to measure bone mineral content and fat:lean ratios at different anatomic sites.

单词	dual-energy x-ray absorptiometry
释义	dual-energy x-ray absorptiometry dual-energy x-ray absorptiometry n. Abbr. DEXA or DXA Absorptiometry using two x-ray beams at different energy levels, especially in determining bone mineral density. Translations dual-energy x-ray absorptiometry dual-energy x-ray absorptiometry (DEXA), Use of low-dose x-radiation of two different energies to measure bone mineral content at different anatomic sites. dual-energy x-ray absorptiometry n. Abbr. DEXA or DXA Absorptiometry using two x-ray beams at different energy levels, especially in determining bone mineral density. dual-energy X-ray absorptiometry A technique using two different X-ray beams to estimate bone density in vertebrae and hip, which is the most accurate way to measure bone mineral density. Strong, dense bones allow less of an X-ray beam to pass through them; the amounts that each beam are blocked by bone and soft tissue are compared to each other. Pros DEXA can measure as little as 2% bone loss/year; it is fast and uses very low doses of radiation du·al x-ray ab·sorp·ti·om·e·try (DXA) (dū'ăl eks'rā ăb-sorp'shē-om'ĕ-trē) Use of low-dose x-radiation of two different energies to measure bone mineral content and fat:lean ratios at different anatomic sites.
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