a picture of structures inside the body. scans often used in diagnosing, staging, and monitoring disease include liver scans, bone scans, and computed tomography (ct) or computerized axial tomography (cat) scans and magnetic resonance imaging (mri) scans. in liver scanning and bone scanning, radioactive substances that are injected into the bloodstream collect in these organs. a scanner that detects the radiation is used to create pictures. in ct scanning, an x-ray machine linked to a computer is used to produce detailed pictures of organs inside the body. mri scans use a large magnet connected to a computer to create pictures of areas inside the body.
出典:Wiktionary
出典:『Wiktionary』 (2026/03/07 19:24 UTC 版)
From late 中期英語 scanne (“to mark off verse to show metrical structure”), from earlier scanden, from Late Latin scandere (“to scan verse”), from Classical Latin scandō (“I climb, rise, mount”), from Proto-Indo-European *skend- (“to jump, dart, climb, scale, scan”).
scan (third-person singular simple present scans, present participle scanning, simple past and past participle scanned)
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