V2EX tomography

Tomography

Definition / 定义

tomography断层成像;层析成像。指用成像技术获取物体(尤其是人体)某一层/切片的图像,以便观察内部结构(常见如 CT 计算机断层扫描、PET、MRI 等的断层成像思路)。另有更专门的用法,指各种“层析/断层”成像方法的总称。

Pronunciation / 发音

/ tmrfi /

Examples / 例句

The doctor ordered tomography to check for a fracture.
医生安排了断层成像检查以确认是否骨折。

Advances in tomography have made it possible to detect tiny tumors that were once invisible on standard X-rays.
断层成像技术的进步使得一些过去在普通 X 光片上看不见的微小肿瘤也能被发现。

Etymology / 词源

来自希腊语词根 **tomo-**(意为“切割、切片”,源自 tomos “切片/切割”)+ -graphy(意为“记录、成像/描绘”)。字面意思接近“把切片记录下来/成像”,对应现代医学里“按层观察内部结构”的概念。

Related Words / 相关词

Literary Works / 文学作品

  • Gray’s Anatomy(《格雷解剖学》):在影像学/临床相关章节中常出现“computed tomography”等表述。
  • Harrison’s Principles of Internal Medicine(《哈里森内科学原理》):多处用于疾病诊断与影像检查(含断层成像)讨论。
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯与科特兰病理学》):在病理与临床影像对照内容中常涉及断层成像术语。
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