V2EX computed tomography

Computed Tomography

释义 Definition

计算机断层扫描(CT):一种利用X 射线从不同角度获取人体(或物体)内部信息,并通过计算机重建为横断面图像的医学影像检查技术;常称 CT scan。除医学外,也用于工业无损检测等领域。

发音 Pronunciation (IPA)

/kmpjutd tmrfi/(英); /kmpjutd tmrfi/(美)

例句 Examples

The doctor ordered a computed tomography scan of my head.
医生开了我的头部计算机断层扫描(CT)检查。

Computed tomography can reveal subtle internal bleeding that may not be visible on a standard X-ray, especially after trauma.
在外伤后,计算机断层扫描(CT)能显示普通 X 光片上可能看不到的轻微内出血。

词源 Etymology

computed 来自 compute(计算),源于拉丁语 computare(计数、核算)。
tomography 来自希腊语词根 tomos(“切片/切割”)+ -graphy(“记录/成像”),字面含义接近“把内部结构按切片方式记录下来”。合起来即“通过计算重建的断层成像”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯科特兰病理学:疾病的病理基础》)
  • Grainger & Allison’s Diagnostic Radiology(《Grainger & Allison 诊断放射学》)
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