| 单词 | tomography |
| 释义 | tomography /tə- or tō-mogˈrə-fi/nounAny scanning technique used to obtain a detailed image of a particular section or plane, of or within a solid structure or body, esp (medicine) the use of X-rays or ultrasound waves to produce an image, for diagnostic purposes, of a chosen section at a particular plane within the body ORIGIN: Gr tomos slice, and graphein to draw tomˈogram noun A radiogram or other visual record produced by tomography tomˈograph noun A machine for producing tomograms tomographˈic adjective positron emission tomography (medicine) A technique used to evaluate brain function by measuring the emission (by active brain cells) of radioactive particles injected into the patient (abbrev PET) |
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