| 词汇 | dilatation |
| 释义 | dilatation noun[ U ] medical specializeduk /ˌdɪl.əˈteɪ.ʃən/ us /ˌdɪl.əˈteɪ.ʃən/ the process of becoming wider or more open, or the act of making something do this: 扩张，扩张术 Dilatation of blood vessels is always associated with increased blood flow and increased blood pressure.血管扩张总是跟血流量增加和血压升高有关联。 Balloon dilatation is a safe and effective treatment for patients with tight urethral strictures.气囊扩张法是治疗尿道狭窄的一种安全有效的方法。 Examples of dilatationdilatation At its completion, the cervix is ready for rapid dilatation, the dilatational phase. If the ventricular dilatation appears to be stable or resolving, less frequent follow up is appropriate. The second possibility is that a subclinical degree of tricuspid regurgitation led to hypertrophy and dilatation of the left atrium and precipitated atrial fibrillation. In addition, there is some evidence that successful dilatation is accompanied by growth of the pulmonary arteries. Postoperative injection at the site of the anastomosis between the homograft and the pulmonary arteries shows dilatation of the homograft with pulmonary regurgitation. Also, additional procedures, such as balloon dilatation of stenotic pulmonary arteries or occlusion of systemic-to-pulmonary or venous-to-left atrial channels can be performed if required. Most morphological alterations were presented by the vacuolization of embryonic cells, disintegrated cytoplasm, swollen mitochondria and dilatation in rough endoplasmic reticula. He performed the procedure on detection of cervical dilatation with bulging membranes in the second trimester. Two of them had acute dilatation of the mitral ring, and one had isolated acute dilatation of the mitral ring. The process must be harmonious to assure dilatation of the cervix without tearing. Healthy subjects produce most of the words in the first 15 s and clearly showed a smaller pupillary dilatation response during this period. Local dilatation of a properly embedded carried path. Large valvular annuluses are generally caused by increased volume flow through the valve or ventricular dilatation stretching the annulus. With moderate to severe regurgitation, volume overloading and ventricular dilatation occurs. The shock-foot region is a source of turbulence production and of enhanced compressibility effects, which are expressed by an increased pressure dilatation. See all examples of dilatation These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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