| 单词 | positron emission tomography |
| 释义 | > as lemmaspositron emission tomography positron emission tomography n. Medicine an imaging technique in which substances incorporating positron-emitting isotopes are introduced into the body, used esp. for the precise localization of metabolic and other physiological processes; abbreviated PET. ΘΚΠ the world > health and disease > healing > diagnosis or prognosis > radiography or radiology > [noun] > specific techniques fluorography1896 fluoroscopy1896 Roentgenism1898 roentgenoscopy1903 skiascopy1908 teleradiography1908 teleroentgenography1908 orthoroentgenography1911 pneumography1921 stereofluoroscopy1928 kymography1930 tomography1935 photofluorography1941 neutron radiography1948 pantomography1952 photofluoroscopy1955 orthopantomography1959 panography1961 stereoradiography1965 computerized axial tomography1973 computed tomography1974 computerized tomography1974 CT1974 positron emission tomography1976 PET1979 1976 Jrnl. Nucl. Med. 17 546/1 (heading) Evaluation of positron emission tomography for study of cerebral hemodynamics in a cross section of the head using positron emitting gallium 68-EDTA and Krypton-77. 1992 Economist 26 Dec. 116/2 Positron emission tomography (PET) enables researchers to watch people think. 2002 F. Close et al. Particle Odyssey xii. 224 (caption) Coloured scans produced by Positron Emission Tomography (PET) show the brain of a person who has suffered a stroke. < as lemmas |
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