| 单词 |
planigraphy |
| 释义 |
planigraphy, n. Med.|plæˈnɪgrəfɪ|
[a. Du. planigraphie (B. G. Ziedses des Plantes 1931, in Nederlands Tijdschr. voor Geneeskunde LXXV. 5218); cf. plani-, -graphy.]
The process of obtaining a visual representation of a plane section through living tissue, by such techniques as tomography, ultrasonography, etc.
1933Year Bk. Radiol. 428 (heading) New method of differentiation in roentgenography (planigraphy). 1938Radiology XXX. 655/1 The authors discuss the various methods of planigraphy and the problem of radioscopy of a plane. 1942Amer. Jrnl. Roentgenol. XLVII. 83 (heading) The value of body section roentgenography (planigraphy) for the demonstration of tumors, non-neoplastic disease and foreign bodies in the neck and chest. 1967Investigative Radiol. II. 259/1 Although conventional linear planigraphy does not approach the precision attained with the more elaborate movements afforded by the ‘Polytome’, ‘Mimer’ and others, its efficiency can be improved. 1986B. Keane in T. F. McAinsh Physics in Med. & Biol. Encycl. II. 671/1 Where it is particularly desired to obtain a three-dimensional dissection of some feature, the method of body-section radiography is used. This technique, known variously as tomography, planigraphy, or laminography, is one in which of the three factors x-ray source, patient and film, one is kept stationary during the exposure and the other two move in a related motion.
Hence planiˈgraphic a., of, pertaining to, designating, or produced by planigraphy.
1936Amer. Jrnl. Roentgenol. XXXVI. 576/1 (heading) Planigraphic method. Ibid. 579 (heading) Ziedses des Plantes' planigraphic apparatus. 1968Psychiatria, Neurologia, Neurochirurgia LXXI. 133 With the exception of the tomographic and planigraphic examinations,..all examinations are carried out stereoscopically. 1978Ann. Neurol. III. 216 Clinical studies which attempt to quantitate ventricular volume should use a computerized or planigraphic measure. |
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