| 書目名稱 | Frontiers in European Radiology | | 編輯 | Albert L. Baert,Erik Boijsen,Friedrich H. Heuck | | 視頻video | http://file.papertrans.cn/350/349156/349156.mp4 | | 叢書名稱 | Frontiers in European Radiology | | 圖書封面 |  | | 描述 | Considerable advances have been made over the years in the study of the physiological and diseased states of the kidney, so that our present-day diagnostic capabilities permit not only morphological, but also functional inter-relations to be registeres. The first step toward function diagnostics was taken with the introduction of kymography. This was followd by serial angiography, and then came cineradiography which made simultaneous morphological and functional radiological examinations feasible. 2 Physiology of Kidney 2. 1 Hemodynamics of Renal Arteries Because of the negligible vascular elasticity of the rani arteries, the diameter variation resulting within one cardiac action is about 1 % [14]; but with these variations being lost in the accuracy of measurement, however, blood flow can be compared to the flow of liquid in rigid tubes. In a rigid tube, the velocity of the individual particles of liquid varies in relation to its distance from the tube axis. Under normal circumstances, a laminar flow prevails in the arteries, the blood flowing parallel to the vascular wall in coaxial cylindrical layers. The velocity is referred to here as v. The flow rate, I, stands for the ratio | | 出版日期 | Conference proceedings 1987 | | 關(guān)鍵詞 | angiography; computer; diagnostics; radiology | | 版次 | 1 | | doi | https://doi.org/10.1007/978-3-642-72563-0 | | isbn_softcover | 978-3-642-72565-4 | | isbn_ebook | 978-3-642-72563-0Series ISSN 0722-7035 | | issn_series | 0722-7035 | | copyright | Springer-Verlag Berlin Heidelberg 1987 |
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