| 单词 | pet scanner |
| 释义 | PET scanner[ pet-skan-er ] / ˈpɛt ˌskæn ər / noun Computers, Medicine/Medical.a tomographic imaging device that yields visual information (a PET scan) about the ongoing activity of the brain: positron-emitting isotopes, incorporated into biologically important compounds, are injected intravenously or administered by inhalation, and the resultant gamma radiation is sensed by detectors and converted into computer-generated images of blood flow, oxygen utilization, glucose uptake, etc. Origin of PET scannerFirst recorded in 1975–80 Words nearby PET scannerPetrozavodsk, pe-tsai, pe-tsai cabbage, Petsamo, PET scan, PET scanner, PET scanning, pet sitting, Pettenkoffer, petti, petticoat Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for PET scannerPET scanner n.A device that produces cross-sectional x-rays of metabolic processes by means of positron emission tomography. Other words from PET scannerPET scanning n.The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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